2. Find the total surface area of a cone, if its slant height
is 21 m and diameter of its base is 24 m. (NCERT EXERCISE)
(FULL EXPLANATION)
Answers
Answered by
1
Step-by-step explanation:
u may look in google o dont know the ans
Answered by
1
Answer:
Step-by-step explanation:
T•S•A of cone =
r = d/2 = 24/2 = 12m
slant height = 21m
TSA = 22/7 × 12 × (12+21)
= 22/7 × 12 × 33
= 22/7 × 396
= 8712 ÷ 7
SIMPLE !!
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