2 years ago

The length of the hypotenuse of a 30 -60 -90 triangle is 11, find the perimeter ?

1 answer:

5 0

Cos(30) = x/11

cos(30) × 11 = 9.53

sin(30) × 11 = 5.5

perimeter = 11+9.53+5.5 = 26.03

Hope this helps

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