Question

7-Calcule x:

b) 12
60
X

a) 8
X
30
​

Answer 1

Resposta:

Explicação passo a passo:

A)

Sen 30 = cat. Op / hipotenusa

Sen 30 = x/8

1/2 = x/8

1/1= x/4

4 = x

X = 4

-----/--|

----/----|

---/-----|

8/___|

/30°__| x

=============

B)

-----/--|

----/----|

---/-----|

12/___|

/60°__|

---x------

Cos 60 = cat. Adj. / hipotenusa

Cos 60° = x / 12

1/2 = x/12

1/1 = x/6

6 = x

x = 6