acc math 1 march 19 th
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B. E. A. C. D. Acc Math 1 March 19 th. Turn in Homework and Get a Calculator WARM-UP ABCD is a RHOMBUS 1. If What is the measure of ? 2. In the kite If What is the measure of . A. B. E. D. C. Check homework – p. 17 . - PowerPoint PPT PresentationTRANSCRIPT
Acc Math 1 March 19th Turn in Homework and Get a CalculatorWARM-UP
ABCD is a RHOMBUS 1. If
What is the measure of ?
2. In the kite If
What is the measure of
D C
BA
E
46ABEmBCE
E
D
C
B
A 38BCE?EBC
Check homework – p. 17 481266126612122 122 58 12258 58 122 58
7111566126612112 112 68 11268 68 112 68
1316195.55.5115.55.511123 123 57 12357 57 123 57
88141412176561251 51 39 6327 27 63 3990 90 90 90
Check homework – p. 181. ABCD2. ABCD3. ABCD4. EF5. F6. G7. ABCDF8. CDG9. Rectangle10. Trapezoid11. Square
3. 13.54. 165. 1336. 697. 368. 139. 9.510. 1711. 2512. 9113. 114. 10.7415. 28.8
QUIZ TOMORROW OVER QUADRILATERALS
DISTANCE AND MIDPOINT:Activating Strategy p. 21Read the scenario and answer the
questions.Find the exact distance from Heather’s to
Danny’s if you go the shortest route.
p. 30 Distance, Midpoint and SlopeMidpoint: equal distance from each endpoint
of the segment (the average between the two points)
p. 30 Distance, Midpoint and SlopeMidpoint: equal distance from each endpoint
of the segment (the average between the two points)
Formula:
2,
22121 yyxx
p. 30 Distance, Midpoint and SlopeMidpoint: equal distance from each endpoint
of the segment (the average between the two points)
Formula:
Distance Formula:
2,
22121 yyxx
221
221 )()( yyxx
p. 30 Distance, Midpoint and SlopeMidpoint: equal distance from each endpoint
of the segment (the average between the two points)
Formula:
Distance Formula:
Slope: or
2,
22121 yyxx
221
221 )()( yyxx
runrise
12
12
xxyy
p. 30 Distance, Midpoint and SlopeMidpoint: equal distance from each endpoint
of the segment (the average between the two points)
Formula:
Distance Formula:
Slope: or
If two lines have the same slope, they are parallel.
2,
22121 yyxx
221
221 )()( yyxx
runrise
12
12
xxyy
p. 30 Distance, Midpoint and SlopeMidpoint: equal distance from each endpoint of
the segment (the average between the two points)Formula:
Distance Formula:
Slope: or
If two lines have the same slope, they are parallel.If two lines have opposite slope, they are
perpendicular.(They are negative reciprocals)
2,
22121 yyxx
221
221 )()( yyxx
runrise
12
12
xxyy
p. 30 Distance, Midpoint and Slope
If two lines have the same slope, they are parallel.
(Lines never intersect)If two lines have “opposite” slopes, they are
perpendicular.(Lines intersect at 90o angle)
They are negative reciprocals