Question

In the diagram which two angles must be supplementary with angle 6? A.5 and 7 B. 1 and 10 C.14 and 16 D.7 and 11

Answer 1

Option A, angle 5 and angle 7

Step-by-step explanation:

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Answer 2

Option A. 5 and 7

Step-by-step explanation:

we know that

If two angles are supplementary, then their sum is equal to 180 degrees

In this problem

m∠5+m∠6=180° -----> by supplementary angles (form a linear pair)

m∠6+m∠7=180° -----> by supplementary angles (form a linear pair)

therefore

Angle 5 and angle 7 are supplementary with angle 6