Question

Find BC. leave your answer in a simplified form

Answer 1

Answer:

D) 2√5

Step-by-step explanation:

Pythagorean Theorem

a^2 + b^2 = c^2

2^2 + 4^2 = c^2

4 + 16 = c^2

20 = c^2

√20 = √c^2

2√5 = c

Answer 2

Answer:

D.

Step-by-step explanation:

You will do a² + b² = c²

Plug in 4² + 2² = 20

√20 = 4.4721....

D = 2√5 = 4.4721..

HOPE THIS HELPED!!!