Asked by Akinwande

Village B is 7km due south of village A and village C is 9km due south B. Village D is 8km from A and is due east of B.
Find the distance of D from (a)B (b)C
Answered by Akinwande
Show workings
Answered by oobleck
Draw the diagram and review the Pythagorean Theorem.
DB^2 = 8^2 - 7^2
DC^2 = 9^2 + DB^2
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