Question

If the area of the figure shown below is 180 sq. cm, what is the area of one triangle (in sq. cm)?

• A.
  80
• B.
  90
• C.
  100
• D.
  120

Answer 1

The correct option is B

90
Area of the square = 180 sq. cm

It is split it into 2 equal triangles, as shown in the figure.

So, area of one triangle = 180 $÷$ 2
= 90 sq.cm