Answer:
...I think this was what you needed?...
Step-by-step explanation:
Input 10 as x,
Add everything in your parenthesis,
and then multiply by 4.
Regrouping is only done into lower place values. For example, tens to ones and hundreds to tens.
Answer:
5 : 6
Step-by-step explanation:
Given ratio of heights = a : b , then
ratio of areas = a² : b²
Here
ratio of areas = 25 : 36 , thus
ratio of heights =
:
= 5 : 6