AREAS RELATED TO CIRCLES

Front

If areas of two circles are equal, then their circumferences are also equal

Back

TRUE

Front

The distance traveled by a circular wheel of diameter d cm in one revolution is 2πd cm

Back

FALSE

Front

The Numerical value of the area of a circle is _________ than the numerical value of its circumference.

Back

smaller

Front

If the sum of areas of two circles with radii R₁ and R₂ is equal to the area of the circle of radius R, what is the relationship between R₁, R₂, and R? Options: R₁ + R₂ = R, (R₁)² + (R₂)² = R², R₁ + R₂ < R, (R₁)² + (R₂)²  R²

Back

(R₁)² + (R₂)² = R²

Front

Back

a)

Front

The radius of the in-circle of an equilateral triangle of each side 2a is equal to

Back

a⁄√3

Front

Back

c)

Front

If the circumference of a circle and the perimeter of a square are equal, what is the relationship between their areas?

Back

Area of circle > Area of square

Front

The perimeters of the two circles are in the ratio 2 : 3. What is the ratio of their areas?

Back

4 : 9

Front

Area of the segment of a circle is less than the area of the corresponding sector

Back

FALSE