Area of Rectangles, Triangles and Parallelograms

What is the formula to calculate the area of a rectangle?

(a)  

What is the area of this rectangle?

• 80cm

• 80cm²

• 36cm

• 18cm²

What is the formula to work out the area of a triangle?

(a)  

What is the area of this triangle?

• 54 cm²

• 108 cm²

• 21cm

What is the area of this parallelogram?

• 10 cm²

• 24 cm²

• 12 cm²

• 20 cm²

What is the area of this triangle?

• 21km²

• 12.4km²

• 18.9km²

• 37.8km²

What is the area of this triangle?

• 40cm²

• 30cm²

• 25cm²

• 20cm²

What is the area of this triangle?

• 24cm²

• 12cm²

• 26cm²

• 12cm

What is the area of this parallelogram?

• 28cm²

• 56cm²

• 32cm²

• 33cm²

What is the area of this parallelogram?

• 4.5m²

• 5.5m²

• 5m²

• 6.5m²