8.1 Geometric Mean

8.1 Geometric Mean

Remember turn in you 8.0 Practice in canvas!

Fill in the Blank

A roof has a cross section that is a right triangle. the diagram shows the approximate dimensions of this cross section. Find the height h of the roof to the nearest thousandth of a meter.

Multiple Choice

Find the geometric mean of 15 and 20. Leave the answer in simplest radical form.

• $10\sqrt{3}$

• $2\sqrt{75}$

• $x=\sqrt{15\cdot20}$

Multiple Choice

Find the value of y.

• $y=\sqrt{7\cdot2}$

• $y^2=7\cdot2$

• $\sqrt{14}$

Multiple Choice

What is the approximate the height of the gym wall?

• $14.45\ ft.\$

• $8.5\left(8.5\right)=w\left(5\right)$

• $19.45\ ft.\$

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