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

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Solving proportions

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Worked example: Solving proportions
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Solving proportionsGet 5 of 7 questions to level up!

Scale copies

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Explore scale copiesGet 3 of 4 questions to level up!
Corresponding sides and pointsGet 3 of 4 questions to level up!
Identify scale copiesGet 3 of 4 questions to level up!
Identify scale factor in scale drawingsGet 3 of 4 questions to level up!
Scale copiesGet 3 of 4 questions to level up!

Quiz 1

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

Scale drawings

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Scale drawingsGet 3 of 4 questions to level up!
Construct scale drawingsGet 3 of 4 questions to level up!
Relate scale drawings to areaGet 3 of 4 questions to level up!

Quiz 2

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

Vertical, complementary, and supplementary angles

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Name anglesGet 3 of 4 questions to level up!
Identifying supplementary, complementary, and vertical anglesGet 5 of 7 questions to level up!
Complementary and supplementary angles (visual)Get 3 of 4 questions to level up!
Finding angle measures between intersecting linesGet 3 of 4 questions to level up!

Angles between intersecting lines

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Practice

Angle relationships with parallel linesGet 5 of 7 questions to level up!

Quiz 3

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

Triangle angles

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Practice

Find angles in trianglesGet 5 of 7 questions to level up!
Find angles in isosceles trianglesGet 3 of 4 questions to level up!
Finding angle measures using trianglesGet 5 of 7 questions to level up!

Quiz 4

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

Approximating irrational numbers

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Approximating square rootsGet 3 of 4 questions to level up!
Comparing irrational numbersGet 5 of 7 questions to level up!
Comparing irrational numbers with a calculatorGet 5 of 7 questions to level up!

Quiz 5

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

Pythagorean theorem

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Practice

Use Pythagorean theorem to find right triangle side lengthsGet 5 of 7 questions to level up!
Use Pythagorean theorem to find isosceles triangle side lengthsGet 5 of 7 questions to level up!

Quiz 6

Level up on the above skills and collect up to 160 Mastery points

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Unit test

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About this unit

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!