delilah0027
Answered

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please help!!!!! What is the surface area of the right cone below?
slanted hight: 15
radius: 8
A. 1847 units2
B. 304 units2
C. 2487 units2
D. 4967 units

Sagot :

Answer:

Total surface area of cone = 578.28 unit²

Step-by-step explanation:

Given:

Slanted Hight of cone = 15 unit

Radius of cone = 8 units

Find:

Total surface area of cone

Computation:

Total surface area of cone = πr[l + r]

Total surface area of cone = (22/7)(8)[15 + 8]

Total surface area of cone = (22/7)(8)[23]

Total surface area of cone = (22/7)(184)

Total surface area of cone = 4,048 / 7

Total surface area of cone = 578.28 unit²

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