Q. 115.0( 5 Votes )

ΔABC is right-ang

Answer :

In ΔABC and ΔADC


∴∠ BAC = ADC (90° angle)


ACB = ACD (Common)


So, by AA similarity criterion ΔADC ~ ΔABC


We know that if two triangles are similar then the ratio of their areas is equal to the ratio of the squares of their corresponding sides.




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