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A rhombus of side 20cm has two angles of 60degree each, find the length of the diagonals. |
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Answer» Step-by-step EXPLANATION: ΔAOD sin30°=AO/AD 1/2=AO/20 AO=10cm AC=2AO=20cm now cos30°=OD/AD √3/2=OD/20 OD=10√3cm BD=2OD=20√3cm |
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