7-1: Geometric Mean. Geometric Mean Given two numbers a and b, you can find the geometric mean by solving the proportion: The geometric mean of two numbers.

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Presentation transcript:

7-1: Geometric Mean

Geometric Mean Given two numbers a and b, you can find the geometric mean by solving the proportion: The geometric mean of two numbers is the positive square root of their product.

Find the geometric mean of the following numbers: 1) 6 and 72) 9.5 and 10 3) 8 and 4) 10 and

Altitudes of Triangles Altitude- When an altitude is dropped from the right angle of a right triangle, it creates 3 similar triangles.

EX 1: Find x.

EX 2: Find x, y, and z.

EX 3: Find x and y.

EX 4: Find x and y.

Assignment: P. 346; 21-32