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I’m not sure how to solve this? Tanna purchases a rectangle mirror with a diagonal measure of 25 centimeters and a height of 15 centimeters. What is the perimeter of the mirror?

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greyciemae

Answer:

Use trigonometry!  a^2+b^2=c^2, with a and b being the sides of the triangle/rectangle (depending on how you draw it) and c being the diagonal.

Your equation should be 15^2+b^2=25^2

b should equal 20

so 20+20+15+15=P=70

Step-by-step explanation:

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