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Q. 174.0( 5 Votes )

Find the sum of all the angles at the five vertices of the adjoining star.

Class 8th Karnataka Board - Mathematics Part I 6. Theorems on Triangles

Answer :

The given star is of the pentagram shape. Each angle at vertices is of 36°. So, the sum of all the angles at the five vertices of the adjoining star = 5× 36° = 180°

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