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A triangle PQR has coordinates (1, 3), (5, 1) and (3, k) respectively in an

anticlockwise direction).
Find the value of k if the triangle's area is 6 units?​

1 Answer

5 votes

Answer:

k=5

Explanation:

steps in attachment

A triangle PQR has coordinates (1, 3), (5, 1) and (3, k) respectively in an anticlockwise-example-1
User Shalette
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