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joan has a piece of material for making a costume she needs to cut it as shown what is the angle measure of the piece left over?

joan has a piece of material for making a costume she needs to cut it as shown what-example-1
User Ben Birney
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2 Answers

3 votes
An acute angle because the dotted lines show a perfect 40 degrees
User FWH
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5 votes
a right angle because it forms a perfect L in the figure
User Kmsquire
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