3 years ago

Helpppppp!!!!!!!! Please

Mathematics

1 answer:

stiv31 [10]3 years ago

7 0

Hey there!!

We know angle DEC = angle AEB

Hence,

... 4x + 12 = 5x - 10

... - x = - 22

... x = 22

4 ( 22 ) + 12

88 + 12

100° is the answer.

Hope my answer helps!

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