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Usimov [2.4K]
3 years ago
12

Find the length of the arc on a circle with the radius of 2.4 km and is intercepted by a central angle measuring 150°. Leave you

r answer in terms of pi
Mathematics
1 answer:
djverab [1.8K]3 years ago
8 0

Formula to find the arc length is:

s=\frac{\theta}{360} 2\pi r

Where, s= arc length,

r = radius of the circle

\theta = central angle in degrees.

According to the given problem, \theta= 150 and r =2.4.

So, first step is to plug in these values in the above formula to get the arc length.

s=\frac{150}{360} *2\pi *2.4

=\frac{5}{12} *2\pi *2.4

=0.41667*2\pi *2.4

=2\pi

So, arc length is 2\pi.

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The parallelogram below is being covered with carpet. The carpet is priced at $2.80 per square meter. How much will it cost to c
cestrela7 [59]

Answer:

It will cost $79.38 to carpet the shape

Explanation:

Find the diagram of the parallelogram attached

Area of a parallelogram = Base * Height

Given

Base = 8.1m

Height = 3.5m

Area of the parallelogram = 8.1*3.5

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Since 1m² = $2.80

28.35m² = x

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5 0
3 years ago
Please help
tia_tia [17]

Answer:

The answer to your question is letter B.

Step-by-step explanation:

Data

Center = (-10, 6)

radius = 8

Process

1.- To find the answer to your question just substitute the values in the standard form of the circle.

Equation

                    (x - h)² + (y - k)² = r²

h = -10

k = 6

r = 8

Substitution

                   (x + 10)² + (y - 6)² = 8²

Simplification

                   (x + 10)² + (y - 6)² = 64

8 0
3 years ago
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