Question

A) a porcentagem equivalente a razão entre o ângulo 40° e 360° é?
B) 36° e 360° é?
C) 70° e 360° é?
D) 120° e 360° é?

Answer 1

 360-------------100%
   40---------------x
360.x=40.100
360x=4000
x=4000/360
x=11,11%

360---------100%
36-------------x
360.x=36.100
360x=3600
x=3600/360
x=10%

360----------100%
70-------------x
360.x=70.100
360x=7000
x=7000/360
x=19,44%

360----------------100%
120--------------------x
360.x=120.100
360x=12000
x=12000/360
x=33,33%