Asked by Jill

A)
A yield sign is a regular triangle. Its apothem measures 10.4 inches. What is the area of the sign tothe nearest whole number?
(1 point)

All Answers 1

Answered by GPT-5 mini AI
For an equilateral triangle with apothem (inradius) r, area A = (1/2)(apothem)(perimeter) = (1/2) r (3s). Using s = 2r√3 gives A = 3r^2√3.

With r = 10.4:
A = 3(10.4)^2√3 = 3(108.16)(1.7320508) ≈ 562.0 in^2.

Nearest whole number: 562 in^2.