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13-02-2021
Mathematics

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25 points
What is the measure of A?

What is the measure of B?

25 points What is the measure of A What is the measure of B class=

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13-02-2021

<A = 72°

<B = 108°

Explanation :

<A = <C

(5y - 3)° = (3y + 27)°

5y-3y = 27 + 3

2y = 30

y = 15

<A = (5y - 3)°

<A = (5 x 15) - 3

<A = 75 - 3

<A = 72°

<B + <A = 180°

<B + 72° = 180°

<B = 180° - 72°

<B = 108°

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