If the area of a circle with radius r is equal to the curved surface area of cone with radius r1 and slant height l then the value of r1 in terms of r and l is:
A
r1 = r2l
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
r1 = πrl
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
r1 = rl
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
r1 = rl
No worries! We‘ve got your back. Try BYJU‘S free classes today!