Question

urgente por favor !!

Answer 1

1) x² = 18² + 24²
x² = 324 + 576
x² = 900
x = √ 900
x = 30
2) 15² = 12² + x²
225 = 144 + x²
225 - 144 = x²
x² = 81
x = √81
x =  9
3) x² = 40² + 10²
x² = 1600 + 100
x² = 1700
x = √1700
x = 10 √17