memeE15
memeE15
21-09-2017
Mathematics
contestada
Solve for x.
Enter your answer in the box.
x =
°
Respuesta :
choixongdong
choixongdong
21-09-2017
sum of interior angles = 180(n-2)
in this case n = 5
so
180(5-2) = 180 (3) = 540
so sum of interior angles = 540
x = 540 -(90+107+144+138)
x = 540 - 479
x = 61
answer
x = 61
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