Examine the diagram. It is not drawn to scale.


A triangle has angles 28 degrees, A, C. The exterior angle to the angle with a measure of 28 degrees is D, the exterior angle to angle A is B, the exterior angle to angle C is 125 degrees.


Choose the equation that cannot be used to find the measure of angle B.

m∠B = m∠C + 28°.

m∠B = 360° – (m∠D + 125°).

m∠B = 180° – m∠A.

m∠B = m∠D + 125°.

Examine the diagram It is not drawn to scaleA triangle has angles 28 degrees A C The exterior angle to the angle with a measure of 28 degrees is D the exterior class=

Respuesta :

Answer:

D. m∠B = m∠D + 125°.

Step-by-step explanation:

It works on E D G E N U I T Y

Angles ∠A and ∠B are supplementary angles that will be given as m∠B = 180° – m∠A. Then the correct option is C.

What is an angle?

Angle is the space between the line or the surface that meets. Ā And the angle is measured in degree. For complete 1 rotation, the angle is 360 degrees.

Supplementary angle - Two angles are said to be supplementary angles if their sum is 180 degrees.

A triangle has angles of 28 degrees, A, and C. The exterior angle to the angle with a measure of 28 degrees is D, the exterior angle to angle A is B, and the exterior angle to angle C is 125 degrees.

Then angles ∠A and ∠B are supplementary angles. Then

∠A + ∠B = 180°

Ā  Ā  Ā  Ā  ∠B = 180° – ∠A

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