5^2 +12^2= diagonal^2
25+144=d^2
169= d^2
D= 13
1. Triangular prism
2. Sphere i think
Answer:
Option C is correct.

Step-by-step explanation:
Given the expression: 
Using properties of summation:
Using properties of summation in the given expression we have;
= 
=
Therefore, the following given expression uses the properties of summation to represents is, 
Answer: 20 feet per second
Step-by-step explanation:
Do 80 divided by 4