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# Unit 1: Get ready for congruence, similarity, and triangle trigonometry

2,200 possible mastery points
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In this unit, we'll focus on understanding congruence and similarity, and how these concepts can be used to compare shapes. We'll also tackle the Pythagorean theorem and triangle trigonometry, so get ready to sharpen those pencils!

## Scale copies

### Practice

#### Quiz 1

Level up on the above skills and collect up to 480 Mastery points

## Scale drawings

### Practice

#### Quiz 2

Level up on the above skills and collect up to 240 Mastery points

## Angles between intersecting lines

### Practice

#### Quiz 3

Level up on the above skills and collect up to 400 Mastery points

## Triangle angles

### Practice

#### Quiz 4

Level up on the above skills and collect up to 240 Mastery points

## Approximating irrational numbers

### Practice

#### Quiz 5

Level up on the above skills and collect up to 240 Mastery points

## Pythagorean theorem

### Practice

#### Quiz 6

Level up on the above skills and collect up to 160 Mastery points
Up next for you:

#### Unit test

Level up on all the skills in this unit and collect up to 2,200 Mastery points!