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19-05-2021
Mathematics

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The measure of Angle A is 2x and Angle B is 60 when Angle A and Angles are supplementary angles. What is the value of x? A. 15 B. 60 C. 120 D. 30

Respuesta :

20-05-2021

Answer:

B) 60

Step-by-step explanation:

Given:

<A = 2x
<B = 60
<A and <B are supplementary angles (they add up to 180)

Equation:

<A + <B = 180

2x + 60 = 180

2x = 180 - 60

2x = 120

x = 60

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