Two equilateral triangle of side 10√3 cm is joined to form a quad

Two equilateral triangle of side 10√3 cm is joined to form a quad
| Two equilateral triangle of side 10√3 cm is joined to form a quadrilateral. What is the altitude of the quadrilateral?

A. 12 cm

B. 14 cm

C. 16 cm

D. 15 cm

Please scroll down to see the correct answer and solution guide.

Right Answer is: D

SOLUTION

Side of equilateral triangle = 10√3 cm

Area of equilateral triangle =

Area of triangle =

Hence height =

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