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In Fig. 14.46, the Area of δAbc (In Square Units) is - Mathematics

MCQ

 In Fig. 14.46, the area of ΔABC (in square units) is

Options

  • 15

  • 10

  • 7.5

  • 2.5

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Solution


The coordinates of A are (1, 3).
∴ Distance of A from the x-axis, AD = y-coordinate of A = 3 units
The number of units between B and C on the x-axis are 5.
∴ BC = 5 units
Now,
Area of ∆ABC = \[\frac{1}{2} \times BC \times AD = \frac{1}{2} \times 5 \times 3 = \frac{15}{2} = 7 . 5\]  square units

Thus, the area of ∆ABC is 7.5 square units.

 

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APPEARS IN

RD Sharma Class 10 Maths
Chapter 6 Co-Ordinate Geometry
Q 43 | Page 66
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