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You are making a canvas frame for a painting using stretcher bars. The rectangular painting will be 10 inches long and 8 inches wide. Using a ruler, how can you be certain that the corners of the frame are 90°​

You are making a canvas frame for a painting using stretcher bars The rectangular painting will be 10 inches long and 8 inches wide Using a ruler how can you be class=

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guadalupeanselmo6

Answer:

make sure it’s acute

Step-by-step explanation:

since when you measure 90°​ the angle has to be acute