Given a right triangle with legs a, b and hypotenuse c, solve for a if b = 20 and c = 29

a 35.2

b 3

c 21

d 9

Question

Killian Waller

Mathematics

13 June, 13:17

Given a right triangle with legs a, b and hypotenuse c, solve for a if b = 20 and c = 29

a 35.2

b 3

c 21

d 9

+5

Answers (2)

Know the Answer?

Cora Stark · Answer 1

C) 21

Step-by-step explanation:

a² + 20² = 29² Use Pythagorean Theorem to solve for a

a² + 400 = 841 Solve for the exponents

- 400 - 400 Subtract 400 from both sides

a² = 441 Take the square root of both sides

a = 21

Karissa Jennings · Answer 2

the answer is C. 21

Given a right triangle with legs a, b and hypotenuse c, solve for a if b = 20 and c = 29a 35.2b 3c 21d 9

Given a right triangle with legs a, b and hypotenuse c, solve for a if b = 20 and c = 29

a 35.2

b 3

c 21

d 9