SOLUTION: At a certain time of day a stick 84cm long, held vertically, casts a 108cm shadow on level ground. What is the length of a stick which casts a 108cm shadow at the same time of the

Algebra ->  Percentages: Solvers, Trainers, Word Problems and pie charts -> SOLUTION: At a certain time of day a stick 84cm long, held vertically, casts a 108cm shadow on level ground. What is the length of a stick which casts a 108cm shadow at the same time of the       Log On


   

Question 750388: At a certain time of day a stick 84cm long, held vertically, casts a 108cm shadow on level ground. What is the length of a stick which casts a 108cm shadow at the same time of the day?
Answer by dkppathak(439) About Me  (Show Source):
You can put this solution on YOUR website!
using properties of similar triangle
we can use ratio of corresponding sides of two similar triangles are equal as same tim angle of sun will be same
84/108=x/108
x-84x108/108= 84
answer 84 cm