Question

Height of an equilateral triangle is 12√3 units. Find its perimeter and area.

Answer 1

answer :

perimeter of equilateral triangle = 3 a

= 3 ( 12√3 ) = 36√3

area of equilateral triangle = √3/4 a^2

= √3/4 ×(12√3)^2

= √3/4 × 432 ( 12^2 × √3^2 = 144×3 =432

= √3 × 108

= 108√3

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