Question

Please help me with this problem.

Answer 1

60 m

Explanation:

use Pythagorean Theorem:

a = missing side

a² + 45² = 75²

a² + 2025 = 5625

a² = 3600

a =
`√(3600)`

a = 60

Answer 2

60

Explanation:

`45^(2) +b^(2) =75^(2) \\2025+b^(2)=5625\\b^(2) =3600\\b=60`