A staircase is built so that the height of the first step is 10 cm and each…
MATHEMATICS · Subjective · A Level · Mathematics · Sequences and series · Sequences and series
Problem
A staircase is built so that the height of the first step is 10 cm and each succeeding step is higher than the previous one by the same amount. If the total rise after 20 steps is 4.1 m, calculate the height of the 20th step in centimetres.