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2 years ago

In a pie chart the central angle in degrees at the center of the circle is a) 180 b) 360 c) 270 d) 90

Mathematics

1 answer:

klasskru [66]2 years ago

6 0

Answer:

(b) 360 degrees

Step-by-step explanation:

Required

The central angle

The central $angle$ of a circle is $360^o$ . This implies that the central $angle$ of the pie chart is also $360^o$ , because a pie chart is always in $form$ of a $circle.$

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Llana [10]

Answer:

Relative frequencies

First row

0.8125 ,0.1875 ,16

Second row

0.555 ,0.444 ,9

third row

18 , 7 , 25

Step-by-step explanation:

Given data

allowance No allowance total

Chores 13 3 16

No chores 5 4 9

Total 18 7 25

Relative frequencies

allowance No allowance total

Chores $\frac{13}{16} = 0.8125$ $\frac{3}{16} = 0.1875$ 16

No chores $\frac{5}{9} = 0.555$ $\frac{4}{9} = 0.444$ 9

Total 18 7 25

3 0

3 years ago

And please explain it?

Brums [2.3K]

You probably jsut need to use law of cosines in order to solve for angle A

$c^2 = a^2+b^2 -2ab \cos C$
or
$a^2 = c^2+b^2 -2cb \cos A$

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3 years ago

Round the product of 0.24 and 0.26 to the nearest hundredth. What is the answer?

Andreyy89

0.06 because the product is 0.0624

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3 years ago

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alexandr1967 [171]

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2 years ago

The width of a rectangle is the length minus 3 units.The area of the rectangle is 10 units. What is the width, in units, of the

labwork [276]

Answer:

2 units

Step-by-step explanation:

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2 years ago