Question

In each of the figures below,AB|| CD. Find the unknown angles, giving reasons.

Answer 1

Step-by-step explanation:

xy = 115° ( Alternate interior angle )

yz = 120° ( Alternate interior angle )

x = 180° - 120° ( Linear pair )

x = 60°

z = 180° - 115° ( Linear pair )

z = 65°

y = 180° - ( 60° + 65° )

y = 180° - 125°

y = 55°

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