Question

answer with solutions and please write the formulas also attachment file....ELSE DO NOT DO IT AND ALSO PLEASE CLARIFY THAT WHAT STEPS YOU HAVE DONE.

Answer 1

Answer:

300mm

Step-by-step explanation:

height:length of a step is 1:2

actual height = 150mm

let actual length be x

So 150mm:x = 1:2

x = 150*2 = 300mm