Answer:
476 Pi cm^2
Step-by-step explanation:
The surface area of a cone is given by the formula:
● Sa = Pi× r^2 + Pi×r×l
r is the radius and l is the slant heigth.
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We are given that:
● r = 14 cm
● l = 20 cm
Let's calculate Sa
● Sa = Pi×14^2 + Pi × 14 × 20
● Sa = 476 Pi cm^2
