MC2007
07.12.2020 •
Mathematics
Please help with this asap!! :)
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Ответ:
x = 11
Step-by-step explanation:
Given :
AB = x + 5
BC = 2(x - 3)
AB = BC
AB = BC
x + 5 = 2(x - 3)
x + 5 = 2x - 6
5 + 6 = 2x - x
11 = x
x = 11
happy to help :)
Ответ:
1:120 2: 36
Step-by-step explanation:
1: The interior angle of a hexagon is 4*180/6=120. Double that, and we get 240. x is 360-240=120.
2: The interior angle of a pentagon is 108, 180-108=72, 72/2=36=x