Grade 9 maths

A = L x B

• Area of a rectangle

• Surface area of a rectangle

• Perimeter of a rectangle

• Volume of a rectangle

P = 2L + 2B

• Area of a rectangle

• Surface area of a rectangle

• Perimeter of a rectangle

• Volume of a rectangle

A = 1\2 b x h

• Area of a triangle

• Perimeter of a triangle

• Volume of a triangle

• Surface area of a triangle

A = πr²

• Perimeter of a circle

• Volume of a circle

• Area of a circle

• Surface area of a circle

C = 2 π r

• Perimeter of a circle

• Volume of a circle

• Area of a circle

• Surface area of a circle

2( lb + bh + lh)

• Surface are of a cuboid

• Surface are of a cube

• Surface area of a cylinder

• Surface area of a cone

πr (l + r)

• Surface are of a cuboid

• Surface are of a cube

• Surface area of a cylinder

• Surface area of a cone

2πr (h + r)

• Surface are of a cuboid

• Surface are of a cube

• Surface area of a cylinder

• Surface area of a cone

6a²

• Surface are of a cuboid

• Surface are of a cube

• Surface area of a cylinder

• Surface area of a cone

V = ⅓πr²h

• Volume of a cube

• Volume of a cylinder

• Volume of cone

• Volume of rectangular prism