38.9k views
5 votes
Help me please!

I don't understand this:(​

Help me please! I don't understand this:(​-example-1
User Radicand
by
5.4k points

1 Answer

5 votes

Answer:

b=12

Explanation:

9^2 + b^2 = 15^2 by the pythagorean theorem

81 + b^2 = 225

b^2 = 144

b = 12

User Paige
by
5.0k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.