geometry warm ups. 7-4 similarity in right triangle
TRANSCRIPT
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Geometry Warm ups
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7-4 SIMILARITY IN RIGHT TRIANGLE
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Problem 1 – identifying similar triangles
What similarity statement can you write relating the three triangles in the diagram?
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Geometric Mean
Geometric mean – for any two positive numbers a and b, the geometric mean of a and b is the positive number x such that
*one “diagonal” will always have the Xs.
“Double Diag”
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Problem 2 – Geometric MeanLeave all answers in Radical Form.
• What is the geometric mean of 6 and 15?
• What is the geometric mean of 4 and 18?
90
72
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Corollary:Using the “Double Diag” in a Triangle
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Problem 3• What are the values of x and y?
48y
16
4
x
x
8x
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TWAP
20
6x
y
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TOO
448
336
x
y
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Problem 4
275 275
2 275
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Homework
7-4 Worksheet