Question

Find the area of the triangle. Express the answer in simplest form.
A. square root of 300
B. 10 square root of 3
C. 5 square root of 3
D. 100 square root of 3

Answer 1

A = 1/2 b x h
= \[ \sqrt{20} \sqrt{15} / 2\]
= \[\sqrt{20*15 / 4}\]
= \[\sqrt{75}\]
=\[\sqrt{5^2 * 3}\]
\[= 5\sqrt{3}\]