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7.4 Similar Polygons w/equations (Due 4/12/22)

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Last updated 3 months ago
19 Nsɛmmisa
Hyɛ no nsow a efi ɔkyerɛwfo no hɔ:

Concept Review

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Similar Polygons

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Essential Question: If you know two figures are similar, what can you determine about

measures of corresponding angles and lengths Learning Target: Students will be able to construct proportions from similar polygons and use them to determine the measures of the corresponding angles and side lengths of those polygons. Complete the entire document and show all work for credit.

Essential Question: If you know two figures are similar, what can you determine about

measures of corresponding angles and lengths Learning Target: Students will be able to construct proportions from similar polygons and use them to determine the measures of the corresponding angles and side lengths of those polygons. Complete the entire document and show all work for credit.

Essential Question: How can we use ratios and proportions to identify similar polygons and determine their missing side lengths?

Learning Target: Students will be able to identify the properties of similar polygons and apply proportional reasoning to solve for unknown measures in similar figures.

Complete the entire document and use full sentences when prompted for full credit.

Responses without work will receive no points.

Remember to upload work from paper when prompted to receive credit.

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1.

What is the name of the relationship between angle 5 and angle 7?

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2.

What is the relationship between angle 2 and angle 6?

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3.

Select all the vertical angles to ∠6

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4.

Select all the adjacent angles to ∠1

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5.

Select all the angles that are alternate exterior angles to ∠1

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6.

What is the value of x?

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7.

What is the value of z?

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8.

What is the correct order of steps to solve this similarity problem?

If △DEF ~ △HJG; find x

  1. Cross multiply to make the equation:

  2. Simplify the equation to

  3. Divide both sides of the equation by 9:

  4. Rewrite the similarity statement so that you can line up the corresponding letters from each polygon:

  5. JG is the side that has to be in the proportion created because it contains x, so create a proportion using corresponding sides from each triangle:

  6. x=20

  7. Replace the all the sides with numbers:

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9.

USE THE SIMILARITY RELATIONSHIP TO FIND THE INDICATED VALUE:

If △DEF ~ △HJG; find x

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10.

What is the correct order of steps to solve this similarity problem?

If △QRS ~ △TUV; find x

  1. UT is the side that has to be in the proportion created because it contains x, so create a proportion with UT using corresponding sides from each triangle:

  2. Subtract 270 from both sides of the equation:

  3. x=11

  4. Rewrite the similarity statement so that you can line up the corresponding letters from each polygon:

  5. Replace the all the sides with numbers:

  6. Cross multiply to make the equation:

  7. Simplify the equation to

  8. Divide both side of the equation by 54:

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11.

USE THE SIMILARITY RELATIONSHIP TO FIND THE INDICATED VALUE:

If △QRS ~ △TUV; find x

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12.

USE THE SIMILARITY RELATIONSHIP TO FIND THE INDICATED VALUE:

If △AGM ~ △KXD; find x

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13.

USE THE SIMILARITY RELATIONSHIP TO FIND THE INDICATED VALUE:

If △TLY ~ △CHK; find x

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14.

USE THE SIMILARITY RELATIONSHIP TO FIND THE INDICATED VALUE:

If △BCD ~ △FGE; find FE

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15.

USE THE SIMILARITY RELATIONSHIP TO FIND THE INDICATED VALUE:

If △MNP ~ △QRP; find x

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16.

USE THE SIMILARITY RELATIONSHIP TO FIND THE INDICATED VALUE:

If ▱KLMN ~ ▱PQRS; find x

Learning Log

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17.

Essential Question:

What was the Essential Question of this assignment?

(Use complete sentences for full credit)

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Learning Outcomes

How do you know which sides are corresponding sides on two similar polygons?

(Use complete sentences for full credit)

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19.

1 Question I have.

1 question I have is...

(Must be a question)

OR

What was the hardest part of the assignment?