Math, asked by kondisettip9uxl4, 1 year ago

attension!!!!!! to all please answer this??????????

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Answered by ShashankShirsat

1

A(DEF)÷A(ABC)=(EF÷BC)^2......Theorem of areas of similar triangles.
√[A(DEF)÷A(ABC)]=EF÷BC
√(121÷64)=15.4÷BC
11÷6=15.4÷BC
Therefore BC=11.2cm

kondisettip9uxl4: thanks a lot i am following u

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