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15-02-2020
Mathematics

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one angle is equal to three times its supplement the measure of the angle is

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Аноним Аноним

15-02-2020

Answer:

a = 135°

b = 45°

Step-by-step explanation:

a + b = 180

a = 3b

.....................

3b + b = 180

4b = 180

b = 180 : 4

b = 45°

a = 3b = 3×45°

a = 135°

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