Question

Yolanda is making a banner for a school pep rally. She cuts fabric in the shape of a parallelogram. The angle at the bottom left corner measures 80°.

The measure of the angle at the top left corner must measure:

Answer 1

100

Explanation:

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Answer 2

Answer: The measure of the angle at the top left corner measures 100°.

Explanation:

Since we have given that

Fabric is cut in the shape of a parallelogram.

Since the angle at the bottom left corner = 80°

And we need to find the measure of the angle at the top left corner.

Since the angle at the bottom left and top left forms adjacent angles.

Bottom left + Top left = 180°

`80^\circ+x=180^\circ\\\\x=180^\circ-80^\circ\\\\x=100^\circ`

Hence, the measure of the angle at the top left corner measures 100°.