Sarthaks Test
0 votes
in Mathematics by (7.9k points)

A hollow sphere of internal and external diameter 4cm and 8cm is melted into a cone of base diameter 8cm. Calculate height of cone?

1 Answer

0 votes
by (13.1k points)
selected by
Best answer

Given internal diameter of hollow sphere (r) = 4cm 

External diameter R = 8cm

Given diameter of cone = 8cm 

Radius of cone = 4cm 

Let height of cone be h

Since hollow sphere is melted into a cone so there volumes are equal

(1) = (2)

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.