Year 8 Maths Formulas

Surface Area of a Cylinder

(2 x π x r2) + (2 x π x r x h)

Area of a Triangle

1/2 x b x h

Volume of a Pyramid

1/3 x area of base x h

Volume of a Cone

1/3 x π x r2 x h

Circumference of a Circle

2 x π x r

Surface Area of a Sphere

4 x π x r2

Volume of a Sphere

4/3 x π x r3

Diameter of a Circle from Circumference

c ÷ π

Area of a Kite

p x q ÷ 2

Area of a Rhombus

p x q ÷ 2

Surface Area of a Cone

π x r x (r + √h2 + r2)

Area of a Circle

π x r2

Volume of a Cylindar

π x r2 x h

Area of a Parallelogram

b x h