Question

Question 11
In figure, if $\angle D=\angle C$, then is it true that $\Delta ADE\sim \Delta ACB$,? Why?

Answer 1

True
In $\Delta ADEand\Delta ACB$,

$\angle A=\angle A$ [ common angle]
$\angle D=\angle C$ [given]
$\Delta ADE\sim \Delta ACB$ [ by AAA similarity criterion ]