10. Find the area of an equilateral triangle, withperimeter equal to 1 – InterviewSolution

1.

10. Find the area of an equilateral triangle, withperimeter equal to 18 cm and altitude measuring4 cm.

Answer»

Equilateral triangle have equal sidesPerimeter of equilateral triangle = 3*side18 = 3*sideSide = 18/3 = 6 cm

Area of triangle = 1/2*base*altitude = 1/2*6*4 = 12 cm^2

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