151k views
5 votes
Find the square of the leg b of this right triangle: a=2b, c=10

User Larue
by
8.3k points

1 Answer

3 votes
a² + b² = c²

a = 2b, c = 10

(2b)² + b² = 10²

4b² + b² =100

5b² = 100

b² = 100 ÷ 5

b² = 20

Answer: 20
User Keyur PATEL
by
9.2k points