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14. If two angles of a quadrilateral are 77º and57° and out of theremaining two angles, oneangle is 10° smaller thanthe other, find theseangles. |
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Answer» ONG>Answer: 57 + 77 + X + (x-10) =360. 134 + 2x-10 = 360. 2x-10 = 360 - 134. 2x-10 = 226 2x = 226+10 2x = 236 x = 236/2 |
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