Two supplementary angles are congruent. which equation gives the measure in degrees,  d, of each angle?

Solution:

The given statement is :Two supplementary angles are congruent.

Two angles are said to be supplementary if sum of these two angles is 180°.

Let one Angle be A, then another angle will be 180 - A.

As given:

A≅180-A

A=180 -A

A +A= 180

2 A = 180

Dividing both sides by 2, we get

A= 90°

The Measure of each angle will be of 90°.

i.e , d = 90°

first one is a: renaming a fraction. second one is c: de-c

step-by-step explanation:

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step-by-step explanation: