Question

find
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Answer 1

Step-by-step explanation:

let angle A be2x

angle B be 3x

AAP

2X+3X=180

5X=180

X=36

angle A=2*36

=72

angle Y=angleA=72 degree (alternate exterior angles)

Answer 2

Answer:

y =

Step-by-step explanation:

angle a : angle b ---> 2:3

in diagram angle a = angle y ( opposite angles )

2:3 becomes 2x +3x = 180⁰

5x = 180

x = 180/5

x = 36

evaluate values of a and b

2x = 2 * 36 = 72

a = 72⁰ so y = 72⁰

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