Area of triangle

Find the area of the shaded triangle.

• 15

• 30

• 39

• 78

Which of the following is incorrect about the area of the triangle FGH?

• FG x HL : 2

• GH x FJ : 2

• FJ x FG :2

• FH x GK :2

The base of a triangle is 48cm long. Find the area of the triangle if its base is thrice its height.

• 96

• 384

• 768

• 1536

The base of the shaded triangle is 2cm longer than its height. Find its area.

• 144

• 180

• 288

• 360

The length of PQ is 3/5 of the length of RS. Find the area of the triangle PQS.

• 45

• 135

• 225

• 360