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The area of a triangle is with base 4m and height 5m?

  • A.20 sq m
  • B.10 sq m
  • C.5 sq m
  • D.3 sq m

Answer: B

\[ A = \frac{1}{2} \times \text{base} \times \text{height} = \frac{1}{2} \times 4 \times 5 = 10 \text{ m}^{2} \]

The factor of one half is what distinguishes the triangle from the rectangle on the same base and height, whose area would be 20 m².

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