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pickupchik [31]
3 years ago
15

13. Find the value of x. 140° 136° х 148° 142° 150°

Mathematics
1 answer:
garik1379 [7]3 years ago
8 0

Answer:

sum of interior angle of heptagon is 900°.

140°+148°+136°+150°+142°+90°+x=900°

806+x=900°

x=900°-806°

x=94°

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