Question

the Vertical angle of an isosceles triangle is 100 degree find its base angle​

Answer 1

Answer:

° - 100°) = 80°.

please follow me friend and make me as brainliest answer please

Answer 2

Answer:

Let ΔABC be an isosceles triangle with vertical angle ∠A=100∘ and AB=AC.

Then,

AB=AC⇒∠B=∠C

But, ∠A+∠B+∠C=180∘

∴100∘+2∠B=180∘⇒∠B=40∘

Please Follow Me And Mark Me Brainlist ( Only If You Want To)