SOLUTION: find the area of a sail ( in sq cm ) whose form is an equilateral triangle if one side is 5 ft.

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Question 927414: find the area of a sail ( in sq cm ) whose form is an equilateral triangle if one side is 5 ft.
Answer by srinivas.g(540) About Me  (Show Source):
You can put this solution on YOUR website!
side(a)= 5 ft
area of equilateral triangle (A)= +%28sqrt%283%29%2F4%29a%5E2
= +%28sqrt%283%29%2F4%295%5E2
=+%28sqrt%283%29%2F4%29%2A25
= sqrt%283%29%2A25%2F4
=+sqrt%283%29%2A6.25
=1.732%2A6.25
=10.825 sq feet
1 foot =30 cm
= 10.825*30*30
=9742.5 square cm
result: 9742.5 square cm