Question

From a point in the interior of an equilateral triangle, the perpendiculars are drawn on the three sides. The lengths of the perpendiculars are 21 cm, 15 cm and 9 cm. Find perimeter and length of median of the triangle.​

Answer 1

Answer:

$21 \times 3 = 63 \\ 15 \times 3 = 45 \\ 09 \times 3 = 27 \\ = 135$

The median of the triangle is 135 cm