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What is the area of this equilateral triangle with side lengths of 8 cm?
Wiki User
∙ 15y ago
16 Times Square root of 3 here is why: area is 1/2 base multiplied by height. So 1/2 of 8=4 . The area is 4 times the height, but what is the height? Now an equilateral triangle has angles that are 60 degrees since we need there sum to be 180 and they are all the same. That means half of it forms a 30 60 90 triangle and we use this to find the height. So it is (square root of 3/ 2)x 8 which is about 6.93 so the area is 4 times that which is 16 times square root of 3
Wiki User
∙ 15y ago
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