Answer:
Perimeter of one of the triangle= 
Step-by-step explanation:
The triangle has:

Using the Pythagorean Theorem;


The Perimeter of one of the triangle is =

This is equal for the other triangle.
Answer:
12.5a-8.1b
Step-by-step explanation:
Remove the unnecessary parenthesis
14.2+9.8b-(13.1b-2a)-(3.7a+4.8b)
Collect like terms
12.5a+9.8b-13.1b-4.8b
Giving you the answer of: 12.5a-8.1b
Answer:
4
Step-by-step explanation:
Answer:
57 7/9
Step-by-step explanation:
I used a fraction calculator.
Answer: D
Step-by-step explanation: Hope this helps :)