A solid metallic sphere of radius 3 decimetres is melted to form a circular sheet of 1 milimetre thickness. The diameter of the sheet so formed is
Answers
Answered by
1
hope it may help you
Step-by-step explanation:
Radius = 3 Decimetres = 30 cm
Height of curcular sheet
= 1 mm = 0.1 cm
⇒43π×(30)3=πr2×110
⇒r2=10000×9×4−−−−−−−−−−−√
⇒r=600cm=6metres
Answered by
0
Answer:
Topics
General Knowledge
General Science
General English
Aptitude
General Computer Science
General Intellingence and Reasoning
Current Affairs
Exams
Elementary Mathematics
English Literature
Mensuration
A solid metallic sphere of radius 3 decimetres is melted to form a circular sheet of 1 milimetre thickness. The diameter of the sheet so formed is
A) 26 metres
B) 24 metres
C) 12 metres
D) 6 metres
Correct Answer:
D) 6 metres
Description for Correct answer:
Radius = 3 Decimetres = 30 cm
Height of curcular sheet
= 1 mm = 0.1 cm
⇒43π×(30)3=πr2×110
⇒r2=10000×9×4−−−−−−−−−−−√
Similar questions