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melamori03 [73]
3 years ago
8

The diameter of a Frisbee is 12 in. What is the area of the Frisbee?

Mathematics
2 answers:
Alina [70]3 years ago
8 0

we know that

Area of the circle is equal to

A=\pi r^{2}

where

r is the radius

in this problem

diameter=12\ in \\ radius=diameter/2\\ radius=12/2\\ radius=6\ in

A=3.14* 6^{2}

A=113.04 in^{2}

therefore

the answer is the option

d. 113.04 sq. in.

faltersainse [42]3 years ago
3 0

The area of the Frisbee is about 113 in.² ( Option D )

<h3>Further explanation</h3>

The basic formula that need to be recalled is:

Circular Area = π x R²

Circle Circumference = 2 x π x R

where:

<em>R = radius of circle</em>

The area of sector:

\text{Area of Sector} = \frac{\text{Central Angle}}{2 \pi} \times \text{Area of Circle}

The length of arc:

\text{Length of Arc} = \frac{\text{Central Angle}}{2 \pi} \times \text{Circumference of Circle}

Let us now tackle the problem!

<u>Given:</u>

Diameter of Frisbee = d = 12 in

<u>Unknown:</u>

Area of Frisbee = A = ?

<u>Solution:</u>

<em>Area of the Frisbee could be calculated using the area of circle as follows:</em>

A = \frac{1}{4} \pi d^2

A = \frac{1}{4} \times \pi \times 12^2

A = 36 \pi ~ in.^2

A \approx \boxed {113.10 ~ in.^2}

The closest option available will be option D. 113 in.²

<h3>Learn more</h3>
  • Calculate Angle in Triangle : brainly.com/question/12438587
  • Periodic Functions and Trigonometry : brainly.com/question/9718382
  • Trigonometry Formula : brainly.com/question/12668178

<h3>Answer details</h3>

Grade: College

Subject: Mathematics

Chapter: Trigonometry

Keywords: Sine , Cosine , Tangent , Opposite , Adjacent , Hypotenuse, Circle , Arc , Sector , Area, Inches , Frisbee , Diameter , Radius , Trigonometry ,

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