Question

What is the total surface area of a right circular cone of height 14 cm and base radius 7 cm?


Options:
A .  344.35 cm2
B .  462 cm2
C .  498.35 cm2
D .  None of these
Answer: Option C

h = 14 cm, r = 7 cm.

So, l = (7)2 + (14)2 = 245 = 75 cm.

What Is The Total Surface Area Of A Right Circular Cone Of ... Total surface area = What Is The Total Surface Area Of A Right Circular Cone Of ...rl + What Is The Total Surface Area Of A Right Circular Cone Of ...r2 = What Is The Total Surface Area Of A Right Circular Cone Of ... 22 x 7 x 75 + 22 x 7 x 7 What Is The Total Surface Area Of A Right Circular Cone Of ...cm2 7 7 = [154(5 + 1)] cm2 = (154 x 3.236) cm2 = 498.35 cm2.


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