If the base angle of an isosceles triangle is 30 degrees less than the base angle, find the base angle of the isosceles triangle.
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Step-by-step explanation:
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Step-by-step explanation:
your question is wrong!.
anyways, I assume you mean the other angle is less than the base angle.
let the base angle be b.
then,
other angle = b-30°
ATQ,
b+b+(b-30°)=180°. [ sum of all int. angles of a triangle is 180°]
=>2b+b-30=180
=>3b=180+30
=>3b=210
=>b=70°
therefore,
base angle=70°
other angle=70°-30°=40°
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