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Find the fourth angle of a …

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Find the fourth angle of a quadrilateral whose other three angles measure 80° each.

Posted by Palak Awasthi 6 years, 5 months ago

CBSE > Class 08 > Mathematics

1 answers

Yash Bhawal 6 years, 5 months ago

Sum of four angles of quadrilateral=let the unknown angle be x =80+80+80+x=360° =240+x=360° x=360-240 x=120°

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