An equilateral triangle with altitude length of 7 square root 3 centimeters.

Find the area and perimeter

A=49 square root 3 divided by 2 cm ^2
P=42cm

1 answer

h = 7√3, so each side is 14

A = (1/2)(14)(7√3) = 49√3
P = 3*14 = 42