Question

Pradeep a Export –import factory wants to thank all his work by gifting two types of decorated

spherical ball. The diameter are ( 2a + 5)cm and ( 4a + 6) respectively.



Each ball is to be packed in a right circular cylindrical boxes, which just encloses a sphere as shown in

figures.

(i) If the height of the cylinder I is 21cm, then the value of ‘a’ is

a. 7cm. b. 8cm. c. 9cm. d. 10cm.​

Answer 1

Step-by-step explanation:

8cm is the correct answer. B is the correct answer