Mathematics
Grade10
Easy

Question

In the previous question, if the length of each side of the shaded square is 12 cm, what is the total area of the four white triangles?

  1. 196
  2. 145
  3. 180
  4. 160

hintHint:

put x= 12 in the previous equation

The correct answer is: 180


    x = 12 cm
    Total area of the white four triangles =12x
    Put x =12 in the given equation
    = 12*12 + 36
    = 144 + 36
    = 180 square cm.

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