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2 years ago

A sector with a central angle measure of 200 degrees has a radius of 9cm

Mathematics

1 answer:

Helen [10]2 years ago

3 0

Answer:

B) $45\pi cm^{2}$

Step-by-step explanation:

$A=\frac{\pi r^{2}(central. Angle) }{360} =\frac{\pi (9)^{2}(200) }{360} =\frac{\pi (81)(200)}{360}=45\pi cm^{2}$

Hope this helps

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olga nikolaevna [1]

Answer:

1/28 of the sack

Step-by-step explanation:

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2 years ago

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klasskru [66]

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3 years ago

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3 years ago

Given the set of vertices, determine whether parallelogram ABCD is a rhombus, rectangle or square. List all that apply. A(7,-4),

Sloan [31]

Given:

Vertices of a parallelogram ABCD are A(7,-4), B(-1,-4), C(-1,-12), D(7, -12).

To find:

Whether the parallelogram ABCD is a rhombus, rectangle or square.

Solution:

Distance formula:

$D=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Using distance formula, we get

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Similarly,

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All sides of parallelogram are equal.

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$BD=\sqrt{(7-(-1))^2+(-12-(-4))^2}=8\sqrt{2}$

Both diagonals are equal.

Since, all sides are equal and both diagonals are equal, therefore, the parallelogram ABCD is a square.

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So, parallelogram ABCD is a rhombus, rectangle or square. Therefore, the correct option is c.

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3 years ago

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sineoko [7]

Answer:

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An experiment is a procedure carried out to support, refute, or validate a hypothesis. Experiments provide insight into cause-and-effect by demonstrating what outcome occurs when a particular factor is manipulated

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