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23 votes
Help with this question pls , use answer choices

Help with this question pls , use answer choices-example-1

2 Answers

7 votes
I pretty sure it’s Letter B
User Dienow
by
6.8k points
11 votes

Answer:

B.) 3√15

Explanation:

a^2 + b^2 = c^2

x^2 + 11^2 = 16^2

x^2 + 121 = 256

x^2 = 256 - 121

x^2 = 135

√x^2 = √135

√135 = √9 • √15

√9 = 3

√15 = √15

3√15

User Ghassan Idriss
by
5.6k points