Question

The legs of a right triangle are 18 centimeters and 80 centimeters long. What is the length of the hypotenuse?

82 centimeters
85 centimeters
89 centimeters
98 centimeters

Answer 1

Answer: 82 cm

18 times 18 = 324

80 times 80 = 6400

324+6400=6724

Find the sqrt root of 6724 which is 82.

82 times 82 = 6724

Hope this helps :D

Answer 2

A= 82 cms

A^2+B^2=C^2

18^2+ 80^2

18^2=324

80^2=6400

6400+324=6724

√6724=82

A= 82