Geometric Means

Geometric Mean Lesson

Unit 7 Similarity

Students will be able to:

• Define the geometric mean

• Calculate the geometric mean

• Identify a missing number in a geometric sequence

• Use the geometric mean to find the altitude

Multiple Choice

What is the Geometric Mean between 6 and 30?

• $$6\sqrt{2}$$

• $$5\sqrt{2}$$

• $$6\sqrt{5}$$

Multiple Choice

What is the Geometric Mean between 10 and 20?

• $$10\sqrt{5}$$

• $$10\sqrt{2}$$

• $$10\sqrt{3}$$

Multiple Choice

Find three geometric means between 2 and 32.

• 6,8,10

• 6,10,14

• 4,8,16

• 10,12,14

Multiple Choice

Solve for the missing information using geometric means.

• $$3\sqrt{2}$$

• $$2\sqrt{2}$$

• $$2\sqrt{3}$$

Multiple Choice

Solve for the missing information using geometric means.

• $$8\sqrt{2}$$

• $$6\sqrt{2}$$

• $$10\sqrt{2}$$

Fill in the Blanks

Poll

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Homework

• Finish CK-12 on Geometric Mean

• CK-12- Using Similar Right Triangles