Area of Circles Quiz

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Questions and Answers

Is the formula for the area of a circle A = πr^2?

True (A)

The area of a circle is always greater than its circumference.

False (B)

The area of a circle can be calculated using the formula A = 2πr.

False (B)

Match the following geometric formulas with their corresponding shapes:

A = πr^2 = Area of a circle C = 2πr = Circumference of a circle A = 0.5bh = Area of a triangle A = s^2 = Area of a square Signup and view all the answers

Match the following mathematical constants with their definitions:

π (pi) = The ratio of the circumference of a circle to its diameter e (Euler's number) = The base of the natural logarithm φ (phi) = The golden ratio γ (Euler's constant) = The limiting difference between the harmonic series and the natural logarithm Signup and view all the answers

Match the following geometric shapes with their properties:

Triangle = Has three sides and three angles Rectangle = Opposite sides are equal and all angles are right angles Rhombus = All sides are equal in length Parallelogram = Opposite sides are parallel and equal in length Signup and view all the answers