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Question

# What is the area of a triangle whose vertices are (0,4), (0,0) and (3,0)?

A

6 square units

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B

8 square units

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C

12 square units

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D

10 square units

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Solution

## The correct option is A 6 square units Given the vertices of the triangle are (0,4), (0,0), (3,0). Now (0,4) lies on Y-axis, (3,0) lies on X-axis and (0,0) is origin. So this triangle is a right-angled triangle. Now the distance between (0,0) and (0,4) = 4 units and distance between (0,0) and (3,0) = 3 units Area of given triangle =12×3×4 = 6 square units

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