The area of a triangle is given by:
Area = ½base × height =
½bh |
 |
The area of a parallelogram is given
by:
Area = base × height = bh |
 |
The area enclosed by a circle is given
by
Area = p
× radius² = pr² |
 |
The volume of a prism is given by
Volume = area of base × height = Ah |
 |
Test yourself to
see if you know these formulae. Move the mouse over the ? to see the correct
formula. |
Pythagoras' theorem
 |
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The area of any triangle ABC is given
by
The sine
rule:
The cosine rule:
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The quadratic
equation ax²+bx+c=0 has solutions:
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