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Q.44 see image...............................................................

Q.44 see image...............................................................
 

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Grade:12

1 Answers

Aditya Gupta
2081 Points
4 years ago
this is an extremely ez ques.
use sinA/a= sinB/b= sinC/c= 1/2R first on triangle ABD nd then on ACD. obviously you will have to consider all properties of a rhombus like all sides are equal and diagonal bisects the angles through which it passes.
eqns are 50sinp= a and 25cosp= a solve these together.
finally area= 4*area of one quarter triangle= 4* ½ * acosp * asinp where a is side and p is half of BAC.
= 2a^2cospsinp
= (20)^2
= 400

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