danigilley danigilley

04-04-2019
Mathematics

contestada

Find the area of equilateral triangle (regular 3 gon) with 9 in perimeter

Respuesta :

jcherry99 jcherry99

05-04-2019

Answer:

Area = 3.897

Step-by-step explanation:

Remark

What you are subtly being told is the side of an equalateral triangle = P/n.

n = the number of sides

n = 3

P = 9

side = 9/3 = 3

The area of an equalateral triangle given 1 side is

Area = sqr(3) * s^2 /4

Area = 3.897

Answer Link

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