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Gwar [14]
3 years ago
10

Help!!

Mathematics
1 answer:
sveticcg [70]3 years ago
5 0

The surface are of the right cone is 176 sq.units. Option A) is the correct answer.

<u>Step-by-step explanation</u>:

<u>step 1</u> :

Radius of the cone, <em>r = 4</em>

Height or length of the cone,<em> h = 10</em>

<u>step 2</u> :

Total surface area of right cone = πrh + πr^2

                                                      = (π\times4\times10) + ( π\times4^2)

                                                      = 40π + 16π

                                                       = 56 π = 56\times3.14

                                                                   = 176 sq.units

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