The sides of a triangle are in the ratio 5: 12: 13 and its perimeter is 360 m, its area is?

The sides of a triangle are in the ratio 5: 12: 13 and its perimeter is 360 m, its area is?

Quiz

Answer/Solution

180

Steps/Work

5x + 12x + 13x = 360 => x = 12
a = 60, b = 144, c = 156
S = (60 + 144 + 156)/2 = 180
Answer: A

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