Question

Which equation represents the relationship between the angles in the figure?

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75°
x + 75 = 90
2x + 75-90
x + 75 - 180
2x + 75 = 180

Answer 1

D. 2x+75=180

Explanation:

Given:

This figure gives us 180 degrees of angles.

Calculate the angle of x in the figures according to the term x on one side of the equation.

The angle relationship should be represented by 2x.

2x+75=180

First, subtract by 75 from both sides.

2x+75-75=180-75

Solve.

Subtract the numbers from left to right.

180-75=105

2x=105

Divide by 2 from both sides.

2x/2=105/2

Solve.

Divide the numbers from left to right.

105/2=52.5

x=105/2=52.5

• Therefore, the correct answer is "D. 2x+75=180".

I hope this helps. Let me know if you have any questions.