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Yuki888 [10]
3 years ago
14

Find the value of x.

Mathematics
1 answer:
omeli [17]3 years ago
8 0

Answer:

x=45.5

Step-by-step explanation:

sum of angles of a quadrilateral is 360°

so 3x - 11+x+8+x-8+2x+7+x=360°

or 8x-4=360

or, x=364÷8

hence

x=45.5

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