Question

an equilateral triangle has a semiperimeter of 6 meters. what is the area of the triangle? round to the nearest square meter.

Answer 1

Answer: To simplify things the answer is B. 7 Square meters.

Explanation:

Answer 2

Hello,

2p=2*6=12==>a=4 (side of the triangle)

Let's calculate the height
h=√(4²-2²)=√12=2√3
Area=4*2√3/2=4√3=6,928203230≈7 (m²)