Question

determine o valor de x nos triângulos e retângulos.

Answer 1

a)
h²=mn
h²=9(25)
h²=144
h=√144
h=12
x²=12²+9²
x²=144+81
x²=225
x=√225
x=15

b)
h²=mn
m=9-5
m=4
h²=4(5)
h²=20
x²=h²+5²
x²=20+25
x²=45
x=√45
x=3√5