arrow
arrow
arrow
Raja's cap is in the form of a right circular cone of base radius 3 cm and slant height 25 cm. Find the area of the sheet required to make a cap. (Use
Question

Raja's cap is in the form of a right circular cone of base radius 3 cm and slant height 25 cm. Find the area of the sheet required to make a cap. (Use π=3.14\pi = 3.14 correct to closest integer value )

A.

450 sq. cm.

B.

236 sq. cm.

C.

350 sq. cm.

D.

50 sq. cm.

Correct option is B

Given:
The shape of the cap is a right circular cone.
Base radius of the cone (r) = 3 cm.
Slant height of the cone (l) = 25 cm.
π = 3.14.
Formula Used:
Curved surface area (CSA) = π r l
Where r is the radius of the base, and l is the slant height of the cone.
The area of the sheet required to make the cap is equal to the curved surface area.
Solution:
Substituting the given values into the formula:
CSA = 3.14 × 3 × 25
CSA = 3.14 × 75 = 235.5 cm²
The area of the sheet required to make the cap is 235.5cm² (rounded to the nearest integer).

Free Tests

Free
Must Attempt

SSC GD PYP (Held on 4 Feb 2025 S1)

languageIcon English
  • pdpQsnIcon80 Questions
  • pdpsheetsIcon160 Marks
  • timerIcon60 Mins
languageIcon English
Free
Must Attempt

Hindi Section Test 1

languageIcon English
  • pdpQsnIcon20 Questions
  • pdpsheetsIcon40 Marks
  • timerIcon12 Mins
languageIcon English
Free
Must Attempt

SSC GD Constable Full Mock Test 1

languageIcon English
  • pdpQsnIcon80 Questions
  • pdpsheetsIcon160 Marks
  • timerIcon60 Mins
languageIcon English

Similar Questions

test-prime-package

Access ‘SSC MTS’ Mock Tests with

  • 60000+ Mocks and Previous Year Papers
  • Unlimited Re-Attempts
  • Personalised Report Card
  • 500% Refund on Final Selection
  • Largest Community
students-icon
353k+ students have already unlocked exclusive benefits with Test Prime!
Our Plans
Monthsup-arrow