A right angled triangle has sides a = 3 cm and b = 5 cm, what is the length of side c?
a^2+b^2=c^2Rearrange so that c = sqrt(a^2+b^2) = 5.83 cm
SP
Related Maths GCSE answers
All answers ▸I’ve been taught two methods for solving pairs of simultaneous equations. When should I use which?
Factorise and solve x^2 - 8x + 15 = 0.
The equation of the line L1 is y = 3x – 2 The equation of the line L2 is 3y – 9x + 5 = 0 Show that these two lines are parallel.
Solve simultaneously: 2x + y = 18 and x - y = 6