Mathematics
Grade9
Easy

Question

In the given figure:

Find the area of ∆ABE.

  1. 20
  2. 30
  3. 40
  4. 50

hintHint:

Generally, the area of the right angled triangle is the half of the product of the base and the height.

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

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