A right angled triangle has sides of length 3 and length 4, what is the length of the hypotenuse?

using pythagorus ( c^2 = b^2 + a^2) and plugging in 3 and 4 as a and b we get c^2 = 3^2 + 4^2 = 9 + 16 = 25. Taking the positive square root as sides can't be negative we get c = 5

KR

Related Maths GCSE answers

All answers ▸

Expand and simplify (2x-2)(4x+6)


Solve the two simultaneous equations. 1. x^2 + y^2 = 25, 2. y - 3x = 13


a.) simplify and expand (x+3)(2x+5) b.) differentiate (x+3)(2x+5) c.) where does this function intercept the x and y axis? d.) does this function have any turning points? if so where?


Solve the simultaneous equations: x^2 + y^2 = 5 and y = 3x + 1