3 years ago

Need help on this! thanks :)

Mathematics

2 answers:

Natasha2012 [34]3 years ago

4 0

Answer:

-2,4

Step-by-step explanation:

dedylja [7]3 years ago

3 0

Answer:

1/3

Step-by-step explanation:

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To the nearest degree, what is the measure of the central angle for faucets? 37° 24° 48° 43°

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Answer:

$\large\boxed{43^o}$

Step-by-step explanation:

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leonid [27]

Answer:

Part 1) The lateral area is $LA=791.7\ ft^{2}$

Part 2) The surface area is $SA=1,244.1\ ft^{2}$

$LA=791.7\ ft^{2}$ , $SA=1,244.1\ ft^{2}$

Step-by-step explanation:

step 1

Find the lateral area of the cone

we know that

The lateral area of the cone is equal to

$LA=\pi rl$

we have

$r=12\ ft$

$l=21\ ft$

substitute

$LA=(3.1416)(12)(21)=791.7\ ft^{2}$

step 2

Find the surface area of the cone

we know that

The surface area of the cone is equal to

$SA=\pi r^{2}+LA$

we have

$r=12\ ft$

$LA=791.7\ ft^{2}$

substitute

$SA=(3.1416)(12)^{2}+791.7=1,244.1\ ft^{2}$

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