3 years ago

I need help with this I've been trying to solve it for over half an hour.

Mathematics

1 answer:

Alina [70]3 years ago

4 0

Answer:

659.4 cm^2

Step-by-step explanation:

The area of the curved surface of the cone = πrL

= π*7*16

= 3.14 * 112

= 351.68 cm^2,

Surface area of the hemisphere = 2 π r^2

= 2*3.14*7^2

= 307.72 cm^2.

Total area = 351.68 + 307.72

= 659.4 cm^2.

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