# Find the Surface Area cone (7)(5.5) h=7r=5.5
The surface area of a cone is equal to the area of the base plus the area of the cone.
Substitute the values of the length r=5.5 and height h=7 into the formula. Pi π is approximately equal to 3.14.
(π⋅5.5)(5.5+(5.5)2+(7)2)
Multiply π by 5.5.
17.27875959(5.5+(5.5)2+(7)2)
Simplify each term.
Raise 5.5 to the power of 2.
17.27875959(5.5+30.25+(7)2)
Raise 7 to the power of 2.
17.27875959(5.5+30.25+49)
Add 30.25 and 49.
17.27875959(5.5+79.25)
17.27875959(5.5+79.25)
Simplify by adding terms.
Add 5.5 and 79.25.
17.27875959⋅14.4022469
Multiply 17.27875959 by 14.4022469.
248.85296193
248.85296193
Find the Surface Area cone (7)(5.5)

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