over lesson 7–3 determine whether the triangles are similar. justify your answer. determine...
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Over Lesson 7–3
Determine whether the triangles are similar. Justify your answer.
Determine whether the triangles are similar. Justify your answer.
Determine whether the triangles are similar. Justify your answer.
Find the width of the river in the diagram.
yes, AA Similarity
No, sides are not proportional
yes, SSS Similarity
22.4
Ch 9.4
Ch 9.4Proportional Parts
Standard 12.0Students find and use measures of sides of
triangles to solve problems.
Learning Target:I will be able to identify and use the relationships between proportional parts of triangles.
Ch 9.4
Ch 9.4
Theorem 9-5
Find the Length of a Side
Ch 9.4
Find the Length of a Side
Substitute the known measures.
Cross Products Property
Multiply.
Divide each side by 8.
Simplify.
Ch 9.4
A. 2.29
B. 4.125
C. 12
D. 15.75
Ch 9.4
Ch 9.4
Find the Length of a SideExample 2
Ch 9.4
A. 3.5
B. 4
C. 6
D. 7.25
Example 2
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