Question

if the Vertical angle of a isosceles triangle is 100° then find the measure of its base angles

Answer 1

hσpє u líkє thє prσcєѕѕ
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wєll ín α tríαnglє ..tσtαl αnglє mαdє íѕ 180°

ѕíncє ítѕ αn íѕσѕcєlєѕ tríαnglє ít hαѕ twσ ѕídє αnglє єquαl αnd α vєrtícαl αnglє...

ѕσ lєt α ѕídє αnglє(вαѕє αnglєѕ) вє х.

ѕσ вч prσв .
_________
х +х + 100 =180

σr , х = 40

ѕσ вαѕє αnglєѕ mαdє αrє єαch σf 40°
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hσpє thíѕ íѕ ur rєquírєd αnѕwєr

prσud tσ hєlp u

Answer 2

heya here's the answer >>>

since it is an isosceles ∆
so let equal sides be = x
so,

x+x+ 100° = 180[ as per angle sum property of the triangle]

so, 2x = 180 - 100 = 80

=> x= 80/2
= 40
so the measure of the angles of base are 40° each

hope this helps u
thanks
@puja