Question

a rombus of side 20 cm has two angle 60°each .Find the length of the diagonal​

Answer 1

Answer:

please make me as brainliest

Step-by-step explanation:

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,if  like it please mark it as brainliest