Question

Determine no triângulo ABC as medidas a e c indicadas

Answer 1

sen30° = 10/a
1/2 = 10/a
a = 20

cos30° = c/a
√3/2 = c/20
2c = 20 × √3
c = 10√3

Answer 2

A=
co/hip= sen 30 graus.

10/a= 1/2=
a= 10×2
a= 20

C=
co/ca= tag de 30 graus.
anexo: