Please help, super easy 7th grade math! worth a lot of points

asked May 22, 2023 159k views

17 votes

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You must take the total perimeter and subtract what you know to find the missing side. So 152-30-20-35= 57

Simon Su answered May 23, 2023

9.2k points

7 votes

Answer:

57mm

Explanation:

Length of missing side= perimeter- known lengths

= 152mm- (30+20+45)mm

= (152 - 95)mm

= 57mm

MRX answered May 29, 2023

by MRX

7.4k points

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