I have said many times that "DO NOT SEND SIMILAR QUERIES BECAUSE LINK COULD NOT BE OPENED DUE TO SOME - Maths - Area Theorems

Question

I have said many times that "DO NOT SEND SIMILAR QUERIES BECAUSE
LINK COULD NOT BE OPENED DUE TO SOME TECHNICAL PROBLEM" So Expert
Alisha kindly do not send link ?
-Repeating the question:-?
Answer the 7th question
Q 7 A rectangle with one side of length 4 cm is inscribed in a
circle of diameter 5 cm Find the area of the rectangle

Shruti Tyagi · Accepted Answer

Dear student,

Let the length of side CD=4 cmDiameter of circle=Diagonal of rectangle=BD=5 cmIn rt ∆DBC,BD2=CD2+CB2⇒52=42+CB2⇒CB2=25-16⇒CB2=9⇒CB=±3⇒CB=3       --[neglecting -ve value as length of side can't be -ve]Now, Area of rectangle=l×b=CD×BC⇒Area of rectangle=4×3⇒Area of rectangle=12 cm2

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