Year 8 Area Formulas

What is the formula for the area of a triangle?

• A=bh

• A=s²

How do you find the diameter of a circle

• Multiply by pi

• Multiply the radius by 2

• Divide the radius by 2

• It's impossible...

How do you find the radius of a circle?

• Divide the diameter by 2

• Multiply the diameter by 2

• Divide by pi

• Cry....

What is the formula for the area of a kite/rhombus?

Which formula would you use to find the circumference of a circle?

What is the formula for the area of a parallelogram?

• A=bh

• A=s²

What is the area of the rectangle?

• 15 cm²

• 8 cm²

• 2 cm²

• 16 cm

Which formula would you use to find the area of this shape?

What is the formula for the area of a kite/rhombus?

Which formula would you use to find the circumference of a circle?