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Unit 8 - Lesson 8 - Grade 8: Illustrative Mathematics

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9 Questions
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Grade 8 Unit 8
Lesson 8: Finding Unknown Side Lengths
CC BY 2021 Illustrative Mathematics®
Grade 8 Unit 8
Lesson 8: Finding Unknown Side Lengths
CC BY 2021 Illustrative Mathematics®
Lesson: Finding Unknown Side Lengths

Which One Doesn’t Belong: Equations (Warm Up)

1.

Which one doesn’t belong?

Which One Is the Hypotenuse?

2.

Label all the hypotenuses with c.

Find the Missing Side Lengths

3.

Find c.

4.

Find b.

5.

A right triangle has sides of length 2.4 cm and 6.5 cm. What is the length of the hypotenuse?

6.

A right triangle has a side of length 1/4 and a hypotenuse of length 1/3. What is the length of the other side?

7.

Find the value of x in the figure.

Cool Down: Could be the Hypotenuse, Could be a Leg

Could be the Hypotenuse, Could be a Leg

A right triangle has sides of length 3, 4, and x.
8.

Find x if it is the hypotenuse.

9.

Find x if it is one of the legs.