Question

4. Determine o valor de x em cada triângulo.

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Answer 1

A) 100 graus
B)60 graus
C)65 graus
D)45 graus

Answer 2

a) 100 pq 30+50+x=180
80+x =180
d=180-80
x=100

b)60 pq 30+90+x=180
120+x=180
x=180-120
x=60

c)65 pq 50+65+x=180
115+x=180
x=180-115
x=65

d)45 pq 60+75+x=180
135+x=180
x= 180-135
x=45