What is the height of this triangle? Round your answer to the nearest tenth. A) 11.4 units B) 11.5 units C) 5.7 units D) 5.6 units

Question

asked Aug 20, 2021 123k views

1 Answer

Dmitrijs Zubriks · Answer 1 · 2021-08-23T22:29:52+0000

Answer:

5.7

Explanation:

pythagorean theorem

A^2 + B^2 = C^2

sub in

A^2 + 7^2 = 9^2

simplify

A^2 + 49 = 81

solve

A^2 = 32

solve further

A =
$\sqrt{32$

use calculator and get:

5.65685

round and get:

5.7