In triangle PQR, PQ(vector) = 4i + j, PR(vector) = 6i 8j. a. Find the size
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In triangle PQR, PQ(vector) = 4i + j, PR(vector) = 6i − 8j.
a. Find the size of ∠QPR, in degrees, to one decimal place.
b. Find the area of triangle PQR.
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P R
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Related Book For
Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS
ISBN: 9781292183398
1st Edition
Authors: Greg Attwood
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