3 years ago

Geometry quiz! not my strong suit. help please

Mathematics

1 answer:

Maksim231197 [3]3 years ago

8 0

Assuming PQRS is a parallelogram, we have PQ = RS, and angles S and R are supplementary so their measures sum to 180°.

5x = x + 12

4x = 12

x = 3

→ PQ = 5x = 15

and

12z ° + 6z ° = 180°

18z ° = 180°

z = 180/18 = 10

→ m∠S = 12•10° = 120°

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