geometry warm ups. 7-4 similarity in right triangle
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Geometry Warm ups
7-4 SIMILARITY IN RIGHT TRIANGLE
Problem 1 – identifying similar triangles
What similarity statement can you write relating the three triangles in the diagram?
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”
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
Corollary:Using the “Double Diag” in a Triangle
Problem 3• What are the values of x and y?
48y
16
4
x
x
8x
TWAP
20
6x
y
TOO
448
336
x
y
Problem 4
275 275
2 275
Homework
7-4 Worksheet
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