savanahudgins
savanahudgins
10-01-2018
Mathematics
contestada
What is the value of x
Respuesta :
choixongdong
choixongdong
10-01-2018
Sum of interior angles of polygon:
= 180(n - 2)
= 180(5-2)
= 180(3)
= 540
so
2x = 540 - (90+100+70)
2x = 540 - 260
2x = 280
x = 140
answer
x = 140
Hope it helps
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