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Naya [18.7K]
3 years ago
9

Need help please thanks

Mathematics
1 answer:
tekilochka [14]3 years ago
6 0
I'm guessing d b are equal and a and c are equal or I don't think we would be able to solve so going on that
if angle d is 57 angle b must also be 57
A parallelegram has angles that add up to 360
So 360= 57+57+2c
Solve
360=114+2c
-114 both sides
246=2c
÷2 both sides
123=c
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