Question

The area of a triangle is 150 cm^2 are in the ratio3:4:5 what is its perimeter

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Answer 1

60 cm

Explanation:

3 -4-5 is a RIGHT triangle

area = 1/2 3x * 4x = 150

12x ^2 = 300

x = 5

ratio of sides 3:4:5 means that

the sides are 3 * 5 and 4 * 5 and 5 * 5 = 60 cm total