A big circle and a small circle with centre O are drawn and each circle is divided into 4 quarter circles as shown. AOB measures 28 cm. The diameter of the big circle is 8 cm longer than the small circle. (Take π=3.14\pi = 3.14)

  1. (a)

    What is the area of the shaded part?

    Ans: (a) ___

  2. (b)

    What is the perimeter of the shaded part?

    Ans: (b) ___

Shaded areas with circles and sectorsCircumference of a circle and pi中文
Work through it with AI →

It won't just hand you the answer — it asks where you're stuck.How the checker works

Worked solution

No solution to show yet.

Worked this one out on paper? Snap your steps and Gigle's AI math checker will circle the step where it went wrong.

More questions on this topic

  1. 1The diagram below shows 4 identical right-angled isosceles triangles with a quadrant within it. The quadrant has a radiu…
  2. 2Three concentric circles centered at OO have radii of 11, 22, and 33. Points BB and CC lie on the largest circle.…
  3. 3The figure below is made up of 2 identical big semi-circles and 3 identical small semi-circles. Find the perimeter of th…
  4. 4In the figure shown, US‾\overline{US} and UT‾\overline{UT} are line segments each of length 2, and m∠TUS=60∘m\angle TUS = 60^{\circ}…
  5. 5The circle shown below on the left has a radius of 1 unit. The region between the circle and the inscribed square is sha…