3 years ago

Answer please. worth 50 points

Mathematics

2 answers:

Gemiola [76]3 years ago

8 0

Answer:

Cone- 138.16

Square pyramid- 352

Step-by-step explanation:

the formula for surface area of cone is piR^2 + piRL

(R is radius and L is the length down the side of the cone)

the formal for lateral area of square pyramid is (1/2) L times P

(L is length down side and p is perimeter of base)

N76 [4]3 years ago

4 0

Answer: The cone is 138.16

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3 years ago

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ollegr [7]

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Step-by-step explanation:

The expression on the left expands to ...

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Matching coefficients, you have ...

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2 years ago