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3 cards from this section. Quick, good the night before a test.
What is the AA condition for triangle similarity?
Think about how many angles are needed to define a triangle.
How do you denote similar triangles?
Look at the symbol used to represent similarity.
Triangles are similar if they have equal corresponding angles.
Think about what angles tell us about the shape of the triangles.
Which of the following is NOT a criterion for triangle similarity?
Review the established criteria for similarity.
Triangle XYZ has sides measuring 8 cm, 15 cm, and 17 cm. Triangle ABC has sides measuring 4 cm, 7.5 cm, and 8.5 cm. Are these triangles similar? Explain your reasoning.
Calculate the ratios of the corresponding sides to find proportion.
Two triangles have angles measuring 30°, 60°, and 90°. Triangle DEF has side lengths that are half the lengths of corresponding sides in triangle ABC. Prove they are similar and determine the ratios of the sides.
Use angle similarity to find the corresponding sides' relationships.
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