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in Rhombus of side 20cm has angle 60 degree find the length of the diagonal
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Step-by-step explanation:
The rhombus has two angles of 60° and other two angles of 120° each. Let bigger ... The sum of interior angles is 360 degrees. ... Therefore the length of the first diagonal is 20cm.
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The rhombus has two angles of 60° and other two angles of 120° each. Let bigger diagonal
Answered by
0
Answer:
20√3cm
Step-by-step explanation:
In ∆AOD,
sin30°=AO/AD
1/2=AO/20
AD =10cm
therefore, diagonal ac =2AD=20cm
now
cos30°=OD/AD
√3/2=OD/20
OD=10√3cm
therefore, Diagonal BD =2OD=20√3cm
hope this helps
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