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In an isosceles triangle, the ratio of the measure of the vertex to the meaure of a base angle is 1:4. find the meaure of the vertex angle.

In an isosceles triangle, the ratio of the measure of the vertex to the meaure of a base angle is 1:4. find the meaure of the vertex angle.
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in an isosceles triangle, the ratio of the measure of the vertex to the meaure of a base angle is 1:4. find the meaure of the vertex angle.

User Toby Van Kempen
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1 Answer

5 votes
The vertex angle is equal to 20 degrees.
User Satheesh
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