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Solving for interior angle measures, what is the m

Solving For Interior Angle Measures What Is The M class=

Sagot :

akposevictor

Using the triangle sum theorem, the value of angle ACB in the triangle is: B. 50°.

What is the Triangle Sum Theorem?

According to the triangle sum theorem, the sum of all the angles in a triangle equals 180 degrees.

90 + 7x - 20 + 4x = 180

70 + 11x = 180

11x = 180 - 70

11x = 110

11x/11 = 110/11

x = 10

m∠ACB = 7x - 20

Plug in the value of x

m∠ACB = 7(10) - 20

m∠ACB = 50° (option B).

Learn more about the triangle sum theorem on:

https://brainly.com/question/7696843

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