if the Vertical angle of a isosceles triangle is 100° then find the measure of its base angles
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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
_-_-_-_-_-_-_-_-_-_-_-_-_
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°
--------------------------------------------------------
hσpє thíѕ íѕ ur rєquírєd αnѕwєr
prσud tσ hєlp u
rakeshmohata:
thnх fσr thє вrαínlíєѕt σnє!!
Answered by
3
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
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
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