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in a regular hexagonPQRSTU, prove that PQ(vector) + PR(vector) + PS(vector) + TR(Vector) + UP(vector) = 4PQ(vector)

in a regular hexagonPQRSTU, prove that
PQ(vector) + PR(vector) + PS(vector) + TR(Vector) + UP(vector) = 4PQ(vector)

Grade:9

1 Answers

anjali
26 Points
7 years ago
First suppose the side of hexagon as a . Then put the respective value of given vectors it comes by using cosine rule the value comes to be 4a which is equal to 4times of PQ vector .hence proved

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