A right-angled triangle has a base of 5 cm, a height of 12 cm. Find the length of the hypotenuse.
Draw the triangle.Let the base = a, height = b and hypotenuse = ca = 5, b = 12, c = ?Using Pythagoras theorem, a2 + b2 = c2so, 52 + 122 = c225 + 144 = c2169 = c2c = sqrt (169)c = 13So the hypotenuse is 13 cm.
AB
Related Maths GCSE answers
All answers ▸One of the teachers at a school is chosen at random. The probability that this teacher is female is 3/5. There are 36 male teachers at the school. Work out the total number of teachers at the school.
Mark buys a computer. A VAT of 10% is added to the price of the computer. He pays £246. What was the original price of the computer before VAT was added?
Solve 5 < x² + 1 < 10
How do you 'complete the square' of a quadratic equation?