A ladder 7.4m long is leaning against a wall as shown in the diagram. The foot of the ladder is 2.9m away from the wall. Calculate the distance the ladder reaches up the wall to 2 significant figures.

7.42-2.92=answer2

square root above answer to get the answer

AC

Related Maths GCSE answers

All answers ▸

Solve these simultaneous equations: 2x + 5y = 37 and y = 11 - 2x


f(x) = x^2 + 4x − 6 f(x) can be written in the form (x + m)^2 + n. Find the value of m and the value of n.


A quadratic curve intersects the axes at (–3, 0), (3, 0) and (0, 18). Work out the equation of the curve


How do I expand (x - 4)(2x + 3y)^2 ?