Question

Pls hwlp me to write this asap​

Answer 1

Answer:

i hope it will help you

Step-by-step explanation:

given:A triangle ABC in which BD=DC

to prove: AB= AC or ABC is an isosceles triangle.

prove: in triangle ABC and triangle ADC

AD=AD (common)

∆ADB=∆ADC (90⁰each)

BD=DC (given)

so∆ABC=∆ACD(by RHS)

soAB=AC(by cpct)

∆ABC is an isosceles triangle