SOLUTION: if the altitude of an equilateral triangle is 12 square root of 3cm, find its perimeter and area.
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Question 1057976: if the altitude of an equilateral triangle is 12 square root of 3cm, find its perimeter and area.
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
.
altitude of an equilateral triangle is 12√3 = 24√3/2
per diagram: t = 24cm
P = 3(24cm) = 72cm
A = (1/2)bh = (1/2)24*12√3 = 144√3cm^2
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