mth 3-17a 23-feb-16created by mr.lafferty math dept corresponding angles alternate angles angles...

MTH 3-17a

May 6, 2023May 6, 2023 Created by Mr.Lafferty Math DeptCreated by Mr.Lafferty Math Deptwww.

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Corresponding Angles

Alternate Angles

AnglesAngles

Mixed Examples

MTH 3-17a

May 6, 2023May 6, 2023 Created by Mr.Lafferty Math DeptCreated by Mr.Lafferty Math Dept

Starter Starter QuestionsQuestions

2 16 28 x

60% of £240

Q1. Solve the equation below

Q2. Find two numbers that multiply add to give 18and subtract to give 3.

Q3. Find the average and range of the numbers below

Q4. Find2,8,8,10

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MTH 3-17a


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1.1. To understand the term To understand the term corresponding angles.corresponding angles.

1. We are learning the property of corresponding angles and how we use the property to solve problems.

2. To be able to use property to solve problems.

AnglesAnglesCorresponding Angles

MTH 3-17a


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Which angles are equal?

Demo

MTH 3-17a


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Which angles are equal?

MTH 3-17a


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Corresponding AnglesWhich angles are equal to the shaded angle?

MTH 3-17a


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Which angles are equal to

the shaded angle?

MTH 3-17a


look for

shapes

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Demo

MTH 3-17a


120

x120

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What is the value of letter x?


MTH 3-17a


100

a100

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What is the value of letter a?


MTH 3-17a


48

b48

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What is the value of letter b?


MTH 3-17a


110

c110

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What is the value of letter c?


MTH 3-17a


70

a

70

b110

What are the values of letters a and b?

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MTH 3-17a


115

65115 65 What are the values of

the missing angles?

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MTH 3-17a


5712357

123

What are the values of the missing

angles?

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Demo

MTH 3-17a


What are the values of the missing

angles?

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115o 140o

65o

65o

115o

40o

40o

140o

75o

MTH 3-17a

May 6, 2023 Created by Mr.Lafferty Math Dept

co = 117o

do = 106o

ao = 63o

bo = 74o

eo = 74o

fo = 63o

go = 43o

MTH 3-17a

6 May 20236 May 2023 Created by Mr. Lafferty Maths DepartmentCreated by Mr. Lafferty Maths Department

Now try TJ3bEx 1

Ch6 (page 56)

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MTH 3-17a


Starter Starter QuestionsQuestions

4 7 9 xQ1. Solve the equation below

Q2. Find two numbers that multiply to give 48and divide to give 3.

Q3. Find missing angles119o

aobo

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MTH 3-17a


mat

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1.1. To understand the term To understand the term alternate angles.alternate angles.

1. We are learning the property alternate angles and how we use the property to solve problems.

2. To be able to use property to solve problems.

AnglesAnglesAlternate Angles

MTH 3-17a


Look for

- Z shapes

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mAnglesAnglesAlternate Angles

= equal anglesDemo

MTH 3-17a


35

a35

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Find the value of a ?

MTH 3-17a


b

43

43

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Find the value of b ?

MTH 3-17a


33

33c

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Find the value of c ?

MTH 3-17a


123

d123

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Find the value of d ?

MTH 3-17a


50

ab130 50

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Find the value a and b ?

MTH 3-17a


135

c45

d45

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Find the value of a and b ?

MTH 3-17a


60

ab

c120

60120

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Find the value a, b and c ?

Demo


co = 58o

do = 51oao = 122o

bo = 58o eo = 51o

MTH 3-17a


Now try TJ3bEx 2

Ch6 (page 59)

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MTH 3-17a


RevisionRevision

150o 100o

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Angles round a pointalways add up to 360o

72o

Two angles making astraight line add to 180o

(Supplementary angles)

angles opposite each otherat a cross are equal.

45o 45o

108o

135o

135o 100o

39o

Two angles making aright angle add to 90o

(Complementary angles)

51o

Demo

MTH 3-17a


RevisionRevisionww

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aths

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com

32o

50o 38o

85o

xo

xo xo

xo

All the angles in a Triangle add up to 180o


co = 58o

do = 51oao = 122o

bo = 58o eo = 51o


co = 117o

do = 117o

ao = 117o

bo = 63o


xo = 98o

yo = 82o

MTH 3-17a


Now try TJ3bEx 3

Ch6 (page 61)

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mth 3-17a 23-feb-16created by mr.lafferty math dept corresponding angles alternate angles angles...

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