Answers

The Brainliest Answer!
2014-08-30T18:05:04+05:30

let the unknown angle x

8(90-x)=x

720-8x=x ⇒ 720=x+8x ⇒720=9x ⇒x=80

therefore the angle is 80 degrees

Proof :complement of 80 degree is10.  10×8=80

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2014-08-30T18:32:28+05:30
Very simple its 8 times
comp.is 90 so 10×8=80
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