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BOARDS CONCEPTS BOOSTER LINES AND ANGLES Download Doubtnut Today Ques No. Question 1 CONCEPT FOR BOARDS || Chapter LINES AND ANGLES 1. ANGLES 1. Angle Click to LEARN this concept/topic on Doubtnut 2 CONCEPT FOR BOARDS || Chapter LINES AND ANGLES 1. ANGLES 2. Interior of an angle Click to LEARN this concept/topic on Doubtnut 3 CONCEPT FOR BOARDS || Chapter LINES AND ANGLES 1. ANGLES 3. Exterior of an angle Click to LEARN this concept/topic on Doubtnut

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Page 1: Click to LEARN this concept/topic on Doubtnut · CONCEPT FOR BOARDS || Chapter LINES AND ANGLES 6. ANGLE MADE BY TRANSVERSAL WITH TWO LINES 9. If two lines are intersected by a transversal;

BOARDSCONCEPTSBOOSTER

LINESANDANGLES

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1

CONCEPTFORBOARDS||ChapterLINESANDANGLES

1.ANGLES

1.Angle

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2

CONCEPTFORBOARDS||ChapterLINESANDANGLES

1.ANGLES

2.Interiorofanangle

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3

CONCEPTFORBOARDS||ChapterLINESANDANGLES

1.ANGLES

3.Exteriorofanangle

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Page 2: Click to LEARN this concept/topic on Doubtnut · CONCEPT FOR BOARDS || Chapter LINES AND ANGLES 6. ANGLE MADE BY TRANSVERSAL WITH TWO LINES 9. If two lines are intersected by a transversal;

4

CONCEPTFORBOARDS||ChapterLINESANDANGLES

1.ANGLES

4.Congruentangles

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5

CONCEPTFORBOARDS||ChapterLINESANDANGLES

2.MEASUREOFANANGLE

1.AngleMeasureAxioms

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6

CONCEPTFORBOARDS||ChapterLINESANDANGLES

2.MEASUREOFANANGLE

2.AngleAdditionAxiom

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CONCEPTFORBOARDS||ChapterLINESANDANGLES

2.MEASUREOFANANGLE

3.AngleConstructionAxiom

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Page 3: Click to LEARN this concept/topic on Doubtnut · CONCEPT FOR BOARDS || Chapter LINES AND ANGLES 6. ANGLE MADE BY TRANSVERSAL WITH TWO LINES 9. If two lines are intersected by a transversal;

8

CONCEPTFORBOARDS||ChapterLINESANDANGLES

2.MEASUREOFANANGLE

4.CongruentAngleMeasure

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9

CONCEPTFORBOARDS||ChapterLINESANDANGLES

3.TYPESOFANGLES

1.AcuteAngle;RightAngleandObtuseAngle

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10

CONCEPTFORBOARDS||ChapterLINESANDANGLES

3.TYPESOFANGLES

2.StraightAngleandReflexAngle

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11

CONCEPTFORBOARDS||ChapterLINESANDANGLES

3.TYPESOFANGLES

3.ComplemantoryAngle

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Page 4: Click to LEARN this concept/topic on Doubtnut · CONCEPT FOR BOARDS || Chapter LINES AND ANGLES 6. ANGLE MADE BY TRANSVERSAL WITH TWO LINES 9. If two lines are intersected by a transversal;

12

CONCEPTFORBOARDS||ChapterLINESANDANGLES

3.TYPESOFANGLES

4.SupplementaryAngle

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13

CONCEPTFORBOARDS||ChapterLINESANDANGLES

3.TYPESOFANGLES

5.AngleBisector

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CONCEPTFORBOARDS||ChapterLINESANDANGLES

3.TYPESOFANGLES

6.Twosupplementaryanglesareinratio2:3.Findtheangles

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15

CONCEPTFORBOARDS||ChapterLINESANDANGLES

4.RELATIONBETWEENANGLES

1.Adjacentangles

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CONCEPTFORBOARDS||ChapterLINESANDANGLES

4.RELATIONBETWEENANGLES

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Page 5: Click to LEARN this concept/topic on Doubtnut · CONCEPT FOR BOARDS || Chapter LINES AND ANGLES 6. ANGLE MADE BY TRANSVERSAL WITH TWO LINES 9. If two lines are intersected by a transversal;

162.LinearPairofAngles

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17

CONCEPTFORBOARDS||ChapterLINESANDANGLES

4.RELATIONBETWEENANGLES

3.Ifaraystandsonaline;thenthesumoftheadjacentanglessoformedis

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CONCEPTFORBOARDS||ChapterLINESANDANGLES

4.RELATIONBETWEENANGLES

4.Ifthesumofthetwoadjacentanglesis ;thentheirnon-commonarmsaretwoopppositerays.

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19

CONCEPTFORBOARDS||ChapterLINESANDANGLES

4.RELATIONBETWEENANGLES

5.Thesumofallanglesaroundapointisequalto

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20

CONCEPTFORBOARDS||ChapterLINESANDANGLES

4.RELATIONBETWEENANGLES

6.Verticallyopppositeangles

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180 ∘

180∘

360 ∘

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Page 6: Click to LEARN this concept/topic on Doubtnut · CONCEPT FOR BOARDS || Chapter LINES AND ANGLES 6. ANGLE MADE BY TRANSVERSAL WITH TWO LINES 9. If two lines are intersected by a transversal;

21

CONCEPTFORBOARDS||ChapterLINESANDANGLES

4.RELATIONBETWEENANGLES

7.Iftwolinesintersect;thentheverticallyoppositeanglesareequal.

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22

CONCEPTFORBOARDS||ChapterLINESANDANGLES

6.ANGLEMADEBYTRANSVERSALWITHTWOLINES

1.Transversal;CorrespondingAnglesandAlternateInteriorAngles

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CONCEPTFORBOARDS||ChapterLINESANDANGLES

6.ANGLEMADEBYTRANSVERSALWITHTWOLINES

2.ConsecutiveInteriorAnglesandCorrespondingAnglesAxiom

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CONCEPTFORBOARDS||ChapterLINESANDANGLES

6.ANGLEMADEBYTRANSVERSALWITHTWOLINES

3. Ifa transversal intersects twoparallel lines; theneachofalternate interioranglesareequAL.

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CONCEPTFORBOARDS||ChapterLINESANDANGLES

6.ANGLEMADEBYTRANSVERSALWITHTWOLINES

4.Ifatransversalintersectstwolinesinsuchawaythatapairofconsecuitiveinterioranglesaresupplementary;thentwolinesareparallel.

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Page 7: Click to LEARN this concept/topic on Doubtnut · CONCEPT FOR BOARDS || Chapter LINES AND ANGLES 6. ANGLE MADE BY TRANSVERSAL WITH TWO LINES 9. If two lines are intersected by a transversal;

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26

CONCEPTFORBOARDS||ChapterLINESANDANGLES

6.ANGLEMADEBYTRANSVERSALWITHTWOLINES

5.Ifthebisectorsofapairofcorrespondinganglesformedbyatransversalwithtwogivenlinesareparallel;provethatthegivenlinesareparallel.

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CONCEPTFORBOARDS||ChapterLINESANDANGLES

6.ANGLEMADEBYTRANSVERSALWITHTWOLINES

6. If a line is perpendicular is one of two given parallel lines;then it is alsoperpendiculartotheotherline.

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CONCEPTFORBOARDS||ChapterLINESANDANGLES

6.ANGLEMADEBYTRANSVERSALWITHTWOLINES

7. IfaTransversal intersects two lines insuchaway thatapairofalternate interioranglesareequal;thenthetwolinesareparallel.

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CONCEPTFORBOARDS||ChapterLINESANDANGLES

6.ANGLEMADEBYTRANSVERSALWITHTWOLINES

8. Ifa transversal intersects twoparallel lines; theneachpairofconsecutive interioranglesaresupplementary.

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Page 8: Click to LEARN this concept/topic on Doubtnut · CONCEPT FOR BOARDS || Chapter LINES AND ANGLES 6. ANGLE MADE BY TRANSVERSAL WITH TWO LINES 9. If two lines are intersected by a transversal;

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CONCEPTFORBOARDS||ChapterLINESANDANGLES

6.ANGLEMADEBYTRANSVERSALWITHTWOLINES

9. If two linesare intersectedbya transversal; thebisectorsofanypairofalternateinterioranglesareparallel.

ClicktoLEARNthisconcept/topiconDoubtnut

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CONCEPTFORBOARDS||ChapterLINESANDANGLES

6.ANGLEMADEBYTRANSVERSALWITHTWOLINES

10. If two parallel lines are intersected by a transversal; the bisector of any twocorrespondinganglesareparallel.

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