area related to circle

The region bounded by two radii and corresponding arc of a circle is

• A) Segment

• B) Sector

• C) Area

• D) Perimeter

The perimeter of square circumscribing circle of radius 'a' cm is

• 8a cm

• 6a cm

• 10a cm

• 16a cm

Angle of the sector is 90°then the ratio of Area of circle to area of sector is

• A) 1:4

• B) 1:2

• C) 4:1

• D) 2:3

If the perimeter and the area of a circle are numerically equal, then the radius of the circle is

• A) 2 Units

• B) 4 Units

• C) 3 Units

• D) 7 Units

A cathedral window is built in the shape of a semicircle. If the window is to contain three stained glass sections of EQUAL SIZE, what is the area of the YELLOW SECTOR?

• 3.3 ft²

• 4.5 ft²

• 6.3 ft²

• 7.1 ft²

Find the arc length.  Leave your answer in terms of π.

• 7/4π
• 7/2π
• 1/8π
• 45π

What is the area of the shaded region?

• 25π - 50

• 25π - 100

• 5π - 50

• 5π - 100

If the sum of areas of two circles with radii R₁ and R₂ is equal to the area of the circle of radius R then 

• R₁ + R₂ = R
• (R₁)² + (R₂)² = R²
• R₁ + R₂ < R
• (R₁)² + (R₂)²  R²

Degree measure of minor Arc is

• > 180

• <180

• = 180