Question

in figure ad=6 db=9 ae=8 ec=12 angle ade=48degree find angle abc

Answer 1

Step-by-step explanation:

ABAD=6+96=156=52;

ACAE=208=52;

⇒ Sides of ΔADE & ΔABC are in same proportion.

⇒ ΔADE∼ΔABC

⇒∠ADE=∠ABC=48

hope it's clear