## 10 Questions

What is the formula for the area enclosed by a circle of radius r?

$A = \pi r^2$

What does the term 'disk' refer to in the context of a circle?

The interior region of the circle

How is the area of a regular polygon related to its perimeter and distance from its center to its sides?

Area = $\frac{1}{2}$ Perimeter $\times$ Distance from center to sides

What is the precise phrase for the area enclosed by a circle?

Disk

What is the formula for the area of a regular polygon?

Area = $\frac{1}{2}$ Perimeter $\times$ Distance from center to sides

What is the probability of getting 'heads' when tossing a fair coin?

0.5

In which branch of mathematics is probability concerned?

Statistics

What is the range of the probability of an event?

0 to 1

In which area of study is probability theory widely used?

Finance

How are probabilities numerically described in a theoretical setting?

Number of favorable outcomes divided by total outcomes

"Circle Area and Pi Calculation" Quiz: Test your knowledge of calculating the area of a circle using the formula πr

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