Inscribed and Circumscribed Circle of Triangles: CCSS.Math.Content.HSG-C.A.3 - Common Core: High School - Geometry

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Question

From the following picture, determine x and y.

Plot1

Answer

Since this polygon is inscribed within a circle, we know a few things.

Plot1

The first thing we know is that the sum of all the interior angles must equal .

The last thing we know, the most important one is all opposite angles must equal .

Now we need to set up equations to solve for , and .

Now let's solve for , and .

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Question

From the following picture, determine , and .

Plot2

Answer

Since this polygon is inscribed within a circle, we know a few things.

Plot2

The first thing we know is that the sum of all the interior angles must equal .

The last thing we know, the most important one is all opposite angles must equal .

Now we need to set up equations to solve for , and .

Now let's solve for , and .

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Question

From the following picture, determine and .

Plot3

Answer

Since this polygon is inscribed within a circle, we know a few things.

Plot3

The first thing we know is that the sum of all the interior angles must equal .

The last thing we know, the most important one is all opposite angles must equal .

Now we need to set up equations to solve for and .

Now let's solve for and .

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Question

From the following picture, determine and .

Plot4

Answer

Since this polygon is inscribed within a circle, we know a few things.

Plot4

The first thing we know is that the sum of all the interior angles must equal .

The last thing we know, the most important one is all opposite angles must equal .

Now we need to set up equations to solve for and .

Now let's solve for and .

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Question

From the following picture, determine and .

Plot5

Answer

Since this polygon is inscribed within a circle, we know a few things.

Plot5

The first thing we know is that the sum of all the interior angles must equal .

The last thing we know, the most important one is all opposite angles must equal .

Now we need to set up equations to solve for and .

Now let's solve for and .

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Question

From the following picture, determine and .

Plot6

Answer

Since this polygon is inscribed within a circle, we know a few things.

Plot6

The first thing we know is that the sum of all the interior angles must equal .

The last thing we know, the most important one is all opposite angles must equal .

Now we need to set up equations to solve for and .

Now let's solve for and .

Compare your answer with the correct one above

Question

From the following picture, determine , and .

Plot7

Answer

Since this polygon is inscribed within a circle, we know a few things.

Plot7

The first thing we know is that the sum of all the interior angles must equal .

The last thing we know, the most important one is all opposite angles must equal .

Now we need to set up equations to solve for , and .

Now let's solve for , and .

Compare your answer with the correct one above

Question

From the following picture, determine , and .

Plot8

Answer

Since this polygon is inscribed within a circle, we know a few things.

Plot8

The first thing we know is that the sum of all the interior angles must equal .

The last thing we know, the most important one is all opposite angles must equal .

Now we need to set up equations to solve for , and .

Now let's solve for , and .

Compare your answer with the correct one above

Question

From the following picture, determine , and .

Plot9

Answer

Since this polygon is inscribed within a circle, we know a few things.

Plot9

The first thing we know is that the sum of all the interior angles must equal .

The last thing we know, the most important one is all opposite angles must equal .

Now we need to set up equations to solve for , and .

Now let's solve for , and .

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Question

From the following picture, determine \uptext{x}, and \uptext{y}.

Answer

Explanation

INSERT PICTURE HERE

Since this polygon is inscribed within a circle, we know a few things.

The first thing we know is that the sum of all the interior angles must equal 360^{\circ}.

The last thing we know, the most important one is all opposite angles must equal 180^{\circ}.

Now we need to set up equations to solve for \uptext{x}, and \uptext{y}.

180 = y + 117.0

180 = x + 63.0

Now let's solve for \uptext{x}, and \uptext{y}.

y = 63.0

x = 117.0

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Question

From the following picture, determine , and .

Plot11

Answer

Since this polygon is inscribed within a circle, we know a few things.

Plot11

The first thing we know is that the sum of all the interior angles must equal .

The last thing we know, the most important one is all opposite angles must equal .

Now we need to set up equations to solve for , and .

Now let's solve for , and .

Compare your answer with the correct one above

Question

From the following picture, determine , and .

Plot12

Answer

Since this polygon is inscribed within a circle, we know a few things.

Plot12

The first thing we know is that the sum of all the interior angles must equal .

The last thing we know, the most important one is all opposite angles must equal .

Now we need to set up equations to solve for , and .

Now let's solve for , and .

Compare your answer with the correct one above

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