Question:medium
In figure, there are shown sectors of radii 7 cm and 3.5 cm. Find the area and perimeter of the shaded region ABCD.
In figure, there are shown sectors of radii 7 cm and 3.5 cm. Find the area and perimeter of the shaded region ABCD.
Show Hint
To find the area of a sector, use the formula \( \frac{\theta}{360^\circ} \times \pi r^2 \) and for the perimeter, sum the arc lengths and straight lines.
Updated On: Mar 1, 2026
Show Solution
Solution and Explanation
Was this answer helpful?
0
Top Questions on Surface Areas and Volumes
- A conical cavity of maximum volume is carved out from a wooden solid hemisphere of radius 10 cm. Curved surface area of the cavity carved out is (use \(\pi = 3.14\))
- CBSE Class X - 2026
- Mathematics
- Surface Areas and Volumes
- An ice-cream cone of radius \(r\) and height \(h\) is completely filled by two spherical scoops of ice-cream. If radius of each spherical scoop is \(\frac{r}{2}\), then \(h : 2r\) equals
- CBSE Class X - 2026
- Mathematics
- Surface Areas and Volumes
- A hemispherical bowl is made of steel of thickness 1 cm. The outer radius of the bowl is 6 cm. The volume of steel used (in \( \text{cm}^3 \)) is :
- CBSE Class X - 2026
- Mathematics
- Surface Areas and Volumes
- A cylindrical block of radius 5 cm and height 9 cm is hollowed out from one end by removing a cone of radius 5 cm and slant height 10 cm. Find the total surface area and volume of the remaining solid.
- UK Class X - 2026
- Mathematics
- Surface Areas and Volumes
- Want to practice more? Try solving extra ecology questions todayView All Questions
