Find the total surface area of a cone, if its slant height is 2 m and diameter of its base is 2 m.
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Answer:
9.42m²
Step-by-step explanation:
GIVEN,
TSA (TOTAL SURFACE AREA) = πr(r+l)
RADIUS (r) OF THE BASE OF CONE = 2/2 = 1m
SLANTING HEIGHTS (L) OF CONE = 2m
SO TSA OF CONE WILL = π r ( r + l)
= [22/7 x 1 x (1 + 2 )] m²
= [ 22/7 x 1 x 3 ) m²
= 66/7 m² = 9.42 m²
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