A rhombus of side 20cm has an angle of 60°,find the length of its diagonal.
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Answered by
51
hello,
for this question we will use trignometry
inΔAOD
sin30°=AO/AD
1/2=AO/20
AO=10cm
∴diagonal AC=2AO=20cm
now
cos30°=OD/AD
√3/2=OD/20
OD=10√3cm
∴diagonal BD=2OD=20√3cm
HOPE THIS HELPS YOU please mark it as brainliest
for this question we will use trignometry
inΔAOD
sin30°=AO/AD
1/2=AO/20
AO=10cm
∴diagonal AC=2AO=20cm
now
cos30°=OD/AD
√3/2=OD/20
OD=10√3cm
∴diagonal BD=2OD=20√3cm
HOPE THIS HELPS YOU please mark it as brainliest
Answered by
71
pls mark as brainliest if this help you
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