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9/2 Sq. units is a Right answer...

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mhanifa

Answer:

  • 4.5 units²

Step-by-step explanation:

Given ΔABC with vertices:

  • A(1,4), B(1,7), C(4,7)​

We observe that

AB is vertical segment with length:

  • 7 - 4 = 3 units

BC is horizontal segment with length:

  • 4 - 1 = 3 units

The area:

  • A = 1/2bh
  • A = 1/2(3)(3) = 9/2 = 4.5 units²

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