Question

Exprima em radianos:
a)15°
b)70°
c)100°
d)160°​

Answer 1

Resposta:

Explicação passo-a-passo:

radianos:

a)15°

180 = π rad

15 = x

180/15 = π rad/x

12 = π rad/x

12x = π rad

x = πrad/12

___________

b)70°

180 = π rad

70 = x

18/7 = π rad/x

18x = 7 π rad

x = 7 π rad/18

______________

c)100°

180 = π rad

100 = x

18/10 (:2)/(:2)= π rad/x

9/5 = π rad/x

9x = 5 TT rad

X = 5 πrad/9

____________

d)160°​

180 = π rad

160 = x

18/16 (:2)/(:2) = πrad/ x

9/8 = πrad /x

9x = 8 π rad

x = 8 π rad/9