Question

calcule as medidas x e y indicadas na figura

Answer 1

Descobrindo X
x^2 = 5^2 + 12^2
x^2 = 25 + 144
x^2 = 169
x = √169
x = 13

Descobrindo Y
(3√21)^2 = x^2 + y^2
9.21 = 13^2 + y^2
189 = 169 +y^2
y^2 = 189 - 169
y^2 = 20
y = √20
y = 2√5