Question

Rs aggarwal maths solution class 7 chapter 16 ex 16 question number 5

Answer 1

$\huge\color{Red}{Hey\: Mate!!}$

here is your answer:

$\underline{Given:}$

AB=AC
BD=DC

$\underline{To\: prove}$

Triangle ADB is congruent to triangle ADC

$\underline{Proof}$

AB=AC (Given)
BD=DC (Given)
AD=AD(Given)

By SSS congruence property We can say that: triangle ADB is congruent to triangle ADC.

Therefore, Angle ADB=Angle ADC=90° and Angle BAD =Angle CAD ( Corresponding parts of congruent triangle)

hope it helps you!!

$\huge\boxed{Thankyou!!}$