Question

Determina o x desse ângulo e o ângulo interno

Answer 1

180=28x+1
180-1=28x
28x= 179
x=179/28
x=6,39
AI=180-6,39 = 173,31°

23x-3=180
x=177/23
x=9,69
ai=180-9,69= 170,31°


21x+2=180
x=178/21
x=8,47
ai=180-8,47 =171,53°