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kiruha [24]
3 years ago
14

A base angle of an isosceles triangle measures 50°. Find the number of degrees in the measure of the vertex angle.

Mathematics
1 answer:
Svet_ta [14]3 years ago
5 0

Both vertex angles will be same as its an isosceles triangle

Let each be x

According to angle sum property

\\ \sf \longmapsto x+x+50=180

\\ \sf \longmapsto 2x+50=180

\\ \sf \longmapsto 2x=180-50

\\ \sf \longmapsto 2x=130

\\ \sf \longmapsto x=\dfrac{130}{2}

\\ \sf \longmapsto x=60°

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