Find the number of sides of a regular polygon whose interior angles are 157.5
1 answer:
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An equation has an infinite number of solutions if the left and right sides are identical. Let's simplify them both and then decide the value of ?.
Left hand side:
Right hand side:
So, both sides have a numeric part of -20. We can use the "?" value to make sure that the literal part is the same as well. So, we want
Answer:
3/4 of the area of the circle is of squared units.
Step-by-step explanation:
Equation of a circle:
The equation of a circle has the following format:
In which the center is and r is the radius.
Area of a circle:
The area of a circle of radius r is given by:
Circle (x+2)² + (y-5)² = 64
Comparing with the standard equation, we have that:
Area of the circle:
What is 3/4 of its area?
3/4 of the area of the circle is of squared units.