Question

The Links of two sides of the right triangle ABC shown in the illustration are given. Find the length of the third side in feet.a=5ft and b=12 ft

Answer 1

Givens.

• a = 5 ft.

,

• b = 12 ft.

Use Pythagorean's Theorem to find c.

$\begin{gathered} c^2=a^2+b^2 \\ c^2=5^2+12^2 \\ c=\sqrt[]{25+144} \\ c=\sqrt[]{169} \\ c=13 \end{gathered}$

Therefore, the length of side c is 13 ft.