3 years ago

What's the answer please help! :)

Mathematics

1 answer:

sammy [17]3 years ago

5 0

Answer:

Answer J or 900!!

Step-by-step explanation:

Brainliest Please!

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3 years ago

Need help asap The answer is 100 or 126

Serga [27]

Answer:

The surface area of the cone is 126π cm².

Step-by-step explanation:

The surface area of a cone can be found using this formula:

$\text{SA} = \pi r ^2+\pi r l$
where r = radius and l = slant height

In this problem, we are told that the cone has a radius of 9 cm and a slant height of 5 cm.

Substitute these values into the formula for the surface area of a cone.

$\text{SA}= \pi (9)^2+ \pi(9)(5)\\$
$\text{SA}= \pi (81)+ \pi(45)$
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The surface area of the right cone is 126 π cm².

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