Question

Colin is skateboarding and is riding a rail. The rail is attached to two poles. The first pole is 80 cm tall and the

second pole is 10 cm tall. The poles are 2 m apart. How long is the rail that Colin is riding?

Answer 1

`√(4.49m)`

Explanation:

the unit of length is meter,

so, 80cm=0.8cm, 10cm=0.1m

the length of the rail=
`√((0.8-0.1)^2+2^2)`

=
`√(4.49m)`