an equilateral triangle has a semiperimeter of 6 meters. what is the area of the triangle? round to the nearest square meter.
Hello,
2p=26=12==>a=4 (side of the triangle)
Let's calculate the height
h=√(4²-2²)=√12=2√3
Area=42√3/2=4√3=6,928203230≈7 (m²)
Answer: To simplify things the answer is B. 7 Square meters.
Step-by-step explanation: