Question

Calcule o valor do x nos triângulos retângulos ​

Answer 1

Resposta:

a)

h²= 9.(16,)

h²=144

h =V144=12

b)3²=5 x

5x=9

x=9/5

c)4²=5x

5x=16

x=16/5

d,)25)²=20)²+ x²

625=400 + x²

x²=625 - 400

x²=225

x=V225

x=15

e)8²=4x

4x=64

x=64/4

x=16

f,)20)² =16y

16y =400

y=400/16

y=25