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Sveta_85 [38]
4 years ago
14

The wrestling team needs to calculate the area of a round wrestling mat. Which formula should they use? A) L x W B) L x W x H C)

2πr D) πr2
Mathematics
2 answers:
fredd [130]4 years ago
8 0

Answer:

Option D is correct

\pi r^2

Step-by-step explanation:

Area of a circle is given by:

A = \pi r^2

where,

A is the area of the circle

r is the radius of the circle

As per the statement:

The wrestling team needs to calculate the area of a round wrestling mat

Since, wrestling mat is in the shape of the circle.

Using the area of circle formula we have;

\text{Area of a round wrestling mat} = \pi r^2

Therefore, the formula should they use is, \pi r^2

Likurg_2 [28]4 years ago
5 0

Answer: D

Explanation: To find the area of a square you square the radius and multiply it by pi or 3.14

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The Sine or Sinθ in a right-angle triangle is the ratio of its perpendicular to its Hypotenuse. The length of the wire is 81.5 meters.

<h3>What is Sine (Sinθ)?</h3>

The Sine or Sinθ in a right-angle triangle is the ratio of its perpendicular to its Hypotenuse. it is given as,

Sin(θ) = Perpendicular/Hypotenuse

where,

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Perpendicular is the side of the triangle opposite to the angle θ,

The hypotenuse is the longest side of the triangle.

The length of the tower is 80 meters, while the angle of elevation is 79°. Therefore, the length of the wire will be the hypotenuse of the triangle. Therefore, the length of the wire is,

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Sin(79°) = 80 meter/Length of the wire

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Hence, the length of the wire is 81.5 meters.

Learn more about Sine:

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5 0
2 years ago
Janie is analyzing a quadratic function f(x) and a linear function g(x). Will they intersect?
UkoKoshka [18]

Answer:

Option (D) is correct.

No, They will not intersect.

Step-by-step explanation:

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Thus, Option (D) is correct.

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3 0
3 years ago
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Dennis_Churaev [7]

Answer:

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