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question no 11,12,13and 14 .answer with stsatement

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Question no 11



student-name Jahnavi asked in Math
in an isosceles triangle a base angle is 4 times its vertical angle. find all the angles of the triangle .
in an isosceles triangle the vertical angle is 15 degrees more than each of its base angles . find all the angles of the triangle
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student-name Priyanka Kedia answered this
8099 helpful votes in Math, Class XI-Science
Here is the link to the similar query
https://www.meritnation.com/ask-answer/question/in-an-isosceles-triangle-the-base-angles-are-equal-and-the-v/simple-equations/5585977
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student-name Dhruv Dave asked in Math
The vertex angle of an isosceles triangle is 33 degree less than each of the base angles.
Find the angles of the triangle.
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student-name Aarushi Paigankar answered this
9 helpful votes in Math, Class VII
let the base angles be x.

vertex angle is equal to x-33

2x+(x-33) = 180

2x+x-33 = 180

3x-33 = 180

3x = 180+33

3x = 213

x = 213/3

x = 71

vertex angle = 180- (71+71)

vertex angle = 38

the angles are 71,71 (the base angles of an isosceles triangle measure the same), 38.