Parallel Lines and Transversals

Page 1

Find x and y

Find x and y

Same-Side Exterior

← ←

Find x and y

Same-Side Exterior

∠1 ∠2

Find x and y

∠1+∠2= 180°
Same-Side Exterior

∠1 ∠2 + = 180°

2x +8+ x −14 = 180°

∠1 ∠2 + = 180°
x +8+ x −14 = 180°
2

2x +8+ x −14 = 180°

3x −6 = 180

∠1 ∠2 + = 180°

2x +8+ x −14 = 180°

3x −6 = 180

∠1 ∠2 + = 180°

3x −6 = 180 +6 +6
3x = 186 3 3
x = 62
x = 62 x −14
x = 62 x −14
= 48°
62−14
x = 62 x −14
= 48°
62−14
48°
48°
Add up to 180°
48° 7y −15 = 180−48

7y −15 = 180−48

48°

7y −15 = 132

7y −15 = 180−48

7y = 132+15

48°
48° 7y = 132+15 7y = 147
48° y = 7 147
48° y = 7 147 y = 21
48° y = 21 x = 62

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