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03-12-2021
Mathematics

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Find the measure of angle A

Find the measure of angle A class=

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Аноним Аноним

03-12-2021

Answer:

Step-by-step explanation:

A and B are along a straight line

(3x - 20) + 2x = 180

5x = 200

x = 40

3(40) - 20 = 100°

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Tan(11 multiply by 180 over 12)