Respuesta :

choixongdong
7)
x^2 = 17^2 - 8^2
x^2 = 289 - 64
x^2 = 225
x = 15

8)
x = 2 * 60
x = 120

9)
x = 41 * 2
x = 82

10)

x = 360 - 120 - (90* 2)
x = 360 - 120 - 180
x = 360 - 300
x = 60