Answer:
Step-by-step explanation:
The figure is a cube
The surface area of a cube is equal to
where
b is the length side of the cube
In this problem we have
substitute
There are 110 people at a meeting. They each shake hands with everyone else. How many handshakes were there?
1 answer:
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1. The given rectangular equation is .
We substitute .
Divide through by
2. The given rectangular equation is:
This is the same as:
We use the relation
This implies that:
3. The given rectangular equation is:
This is the same as:
We use the relation and
This implies that:
Divide through by r
4. We have
We substitute and
This implies that;
5. We have
We substitute and
This implies that;