If similarity ratio means the ratio between the lengths of the cubes:
Answer: 11.2 because I know trust me. I did a worksheet with this same question and got 11.2 and it was correct.
Answer:
First triangle
Step-by-step explanation:
First triangle is the obtuse triangle.
Answer:

Step-by-step explanation:
Given:
Make the power of '10' equal by shifting the decimal place of any one value.

Taking the '
' common

Adding the values in the bracket gives:

Given parameters:
Total length of curtains bought = 20m
She used 8m for the living room
She used 7m for the dining room
unknown:
Quantity used for the kitchen = ?
Solution:
Quantity used for the kitchen = Total length - (living room + dining room)
Input the parameters given solve;
Quantity used for the kitchen = 20 - (8 + 7) = 5m
The length of curtain used for the kitchen is 5m