Respuesta :

Answer:

See below for answers and explanations

Step-by-step explanation:

Problem 1:

a²+b²=c²

4²+5²=c²

16+25=c²

41=c²

√41=c

c=√41

Problem 2:

a²+b²=c²

15²+b²=25²

225+b²=625

b²=400

b=20

Problem 3:

a²+b²=c²

a²+48²=60²

a²+2304=3600

a²=1296

a=36