Question

Two legs of a right triangle measure 3 inches and 4 inches. Which of the following choice for the

length of the third side will make the triangle a right triangle?

Answer 1

5 inch

Explanation:

Two legs of a right triangle measure 3 inches and 4 inches. Which of the following choice for the length of the third side will make the triangle a right triangle?

• not having the choices we solve with Pythagoras

• let the unknow side x

x = √(3²+4²)

x = √(9 + 16)

x = √25

x = 5