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what is the measure of <AGC?​

What Is The Measure Of LtAGC class=

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Answer:

<AGC = 90°, the measure of  <AGC is 90°.

Step-by-step explanation:

Supplementary angles are angles when added up is equal to to 180, they are supplementary if they are adjacent to each other meaning they have a common side and vertex.

Line EC, which angle AGC and angle AGE had a common side and vertex, meaning they are supplementary angles.

Therefore,

 <AGC + <AGE = 180°

 <AGC + 90° = 180°

 <AGC = 180°- 90°

 <AGC = 90°

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