What is Pythagorus' Theorem?
Pythagorus' Theorum enables us to calculate the length of any side of a right angled triangle provided we know the other two lengths. This is done by substituting in the appropriate values into the equation a2=b2 + c2, where a is the hyponenuse, or the longest side.
SD
Related Maths GCSE answers
All answers ▸What is the co-ordinates of the minimum point of the quadratic equation x^2+6x-16?
A square, with sides of length x cm, is inside a circle. Each vertex of the square is on the circumference of the circle. The area of the circle is 49 cm^2. Work out the value of x. Give your answer correct to 3 significant figures.
Solve algebraically: 6a+b=16, 5a-2b=19
Solve: x/x+4 + 7/x-2 = 1 (Must show working)[4 marks]