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Find the missing side length to the nearest tenth of a millimeter.

Please help I'm so confused

Find the missing side length to the nearest tenth of a millimeter. Please help I'm-example-1

1 Answer

10 votes
U gotta use pythagorean theory
So a^2 +b^2 = c^2
C=7 since its the one facing the right angle
5.2^2 + b^2 = c2
27.04 +b^2= 49
Subtract 21.96 from both sides, so ur left with 21.96=b^2
Under the square root and rounded up would equal 4.7
Hope this helps
User Mukesh Parmar
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