Unit 2, Lesson 10
Other Conditions for Triangle Similarity (Optional)
Integrated Math 2
Practice
Problem 1
- Explain how we know that triangle
and triangle are similar. - What does that tell us about angle
?
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Triangles A B C and D E F. Triangle A B C is smaller than triangle D E F. Angle A is 60 degrees, angle B is 84 degrees and angle C is 36 degrees. A B is 7 point 5, B C is 11 point 1 and A C is 12 point 7. Angle D is 60 degrees, D E is 25 point 4 and D F is 15.
Decide whether triangles
What is the length of segment
Triangle A B C. A B is 12 units, A C is 9 units, angle B A C is 68 degrees, and angle A B C is 44 degrees. Triangle D E F. D E is 27 units, angle E D F is 68 degrees, and angle D F E is 44 degrees.
3 units
Figure
Figures G and G prime. Both shapes share vertex at Point C. From point C, moving upwards and to the right along the top side of both shapes, 5 unevenly spaced dots. Figure G ends at the fifth dot, Figure G prime ends at the third dot. From point C moving upwards and to the right along the bottom side of both shapes, 3 unevenly spaced dots. Figure G ends at the third dot, Figure G prime ends at the second dot. Point A sits inside figure G, closest to the last set of dots. Point B is above and to the left of Point C. Point D is to the right of Point C.
36 units
48 units
triangle
triangle
triangle