Question

converta em radiano 160°
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Answer 1

Resposta:

180 ----> π

160 -----> x

180.X = 160.π

x= 160.π

-------

180

x= 80.π

----

90

x = 8π

---

9

Answer 2

Resposta:

180° - π

160° - x

160π = 180x

x = 180π  /160 (÷10)

x = 18 /16(÷2)

x = 9π  /8