Math, asked by dhonmoni, 8 months ago

prove that an exterior angleof a triangle ia equal to sum of two remote interior angle​

Answers

Answered by Anonymous
12

Answer:

to prove

Step-by-step explanation:

△ABC

with exterior angle

∠ACD

Given

2.

m∠A+m∠B+m∠ACB=180∘

Triangle Sum Theorem

3.

m∠ACB+m∠ACD=180∘

Linear Pair Postulate

4.

m∠A+m∠B+m∠ACB=m∠ACB+m∠ACD

Transitive PoE

5.

m∠A+m∠B=m∠ACD

hope it will help you and sorry I don't have diagram I have learned it in 9 th std

and. plz give thanks

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