Which are the side lengths of a right triangle?

(1) 10,15,20

(2) 11,16,22

(3) 12,18,26

(4) 20,21,29

Question

Mathematics

Elsie Knapp

4 January, 20:07

Which are the side lengths of a right triangle?

(1) 10,15,20

(2) 11,16,22

(3) 12,18,26

(4) 20,21,29

+5

Answers (2)

Know the Answer?

Jaylyn · Answer 1

Your equation for a right triangle is:

a^2 + b^2 = c^2

Plug in all answers for the equation and the only answer that fits the equation is (4) 20, 21, 29.

Harold · Answer 2

Harold 4 January, 22:45

0

(4) 20,21,29

20^2 + 21^2 = 29^2

Which are the side lengths of a right triangle?(1) 10,15,20(2) 11,16,22(3) 12,18,26(4) 20,21,29

Which are the side lengths of a right triangle?

(1) 10,15,20

(2) 11,16,22

(3) 12,18,26

(4) 20,21,29