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3 years ago

What is the surface area of the cone to the nearest whole number ? Use 3.14 for π

Mathematics

2 answers:

Dahasolnce [82]3 years ago

6 0

The answer to this should be 2888.8

sorry about the quality im not good at writing on computer<span />

Ganezh [65]3 years ago

4 0

Answer:

1130.973355 is the answer

Step-by-step explanation:

pi10(10+sqrrt((24^2)+(10^2)))

31.416(10+sqrrt(576+100))

31.416(10+sqrrt(676))

31.416(10+26)

31.416(36)

1130.976

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3 years ago

What is the value of ?

Ede4ka [16]

Remember
$\frac{x^m}{x^n}=x^{m-n}$
and
$x^{-m}=\frac{1}{x^m}$

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3 years ago

Can someone help me out with this.

pickupchik [31]

The side MK measures 3.3 feet.

Step-by-step explanation:

Step 1:

In the triangle, the angle is 25°, the adjacent side has a length of x feet while the hypotenuse of the triangle measures 3.6 feet. The opposite side of the triangle is not given.

To determine the value of x, we determine the value of the cos of the given triangle.

To calculate the cos of an angle we divide the adjacent side by the hypotenuse of the same triangle.

$cos \theta = \frac{adjacentside}{hypotenuse} .$

Step 2:

The length of the adjacent side = x feet.

The length of the hypotenuse = 3.6 feet.

$cos \theta = \frac{adjacentside}{hypotenuse}, cos 25 = \frac{x}{3.6} , cos 25 = 0.9063.$

$x = 0.9063 (3.6) = 3.2626.$

So the adjacent side of the triangle measures 3.2626 feet. Rounding this off to the nearest tenth, we get that MK measures 3.3 feet.

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3 years ago