Question

please tell answer with explanation ​

Answer 1

Answer:

option b) angle d +

angle e

Step-by-step explanation:

angle ABC (b) and BAC (a) are interior angles in ∆ABC

and angle BCP ( d+e) is the exterior angle opposite to angles a and b

and according to a theorem, sum of two interior angles in a triangle is equal to the exterior angle opposite to it.

i hope it's clear to you :))