Mathematics
Grade9
Easy

Question

In the given figure:

Find the area of ∆AEC.

  1. 25
  2. 30
  3. 35
  4. 40

hintHint:

Area of triangle is half of the product of Base and Height of a triangle.

The correct answer is: 30


    >>>In General the area of the triangle is the half to the product of base and height of a triangle.
    >>>Given That:

    >>>>The triangle AEC forms right angled triangle, because it's sides are the Pythagorean triplets.
    >>>Therefore, the area of the triangle AEC becomes:
           Area = 1 half cross times b a s e cross times h e i g h t
    Area = 1 half  ×  12  ×  5
    Area = 30
    >>>Hence, the area of the triangle is 30 square units.

    Area = 1 half  ×  12  ×  5
    = 30

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