The length of the hypotenuse of a 30-60-90 degree triangle is 9. Find the perimeter.
1 answer:
Hypothenus is 9
one leg is 1/2 of 9=4.5
other leg 2=(9)2-(4.5)2
x2=81-20.25
x2=60.75
x=afersisht 8
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