Answer:
8x+40=56
Step-by-step explanation:
You have to distribute the 8
Then finish the rest of the problem
The greater density to measure by having a mass of 2cm or 3cm
Answer:
400
Step-by-step explanation:
Getting the central area of a polygon is not possible. Probably the question refers to the central angle. In a a regular polygon, getting the central angle is that you need to use the formula.
Central Angle of a polygon = 360 degrees / number of sides of a polygon.
Why 360 degrees? Because, a circle has a total of 360 degrees. And a circle is a polygon with no sides.
