Answer :

Answer:

c = 19.8

Step-by-step explanation:

Equation to Use:

a²+b² = c²

Knowns:

a = 13

b = 15

Input values and Solve:

13² + 15² = c²

169 + 225 = c²

394 = c²

√394 = c

c = 19.84

round to nearest tenth

c = 19.8