Open Up - Grade 8 - Mathematics - Unit 2 - Lesson 8
By Formative Library
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Last updated over 2 years ago
5 Questions
1
1.
In each pair, some of the angles of two triangles in degrees are given. Use the information to decide if the triangles are similar or not.
- Triangle G: 121, ___, ___; Triangle H: 70, ___, ___
- Triangle E: 63, 45, ____; Triangle F: 14, 71, ____
- Triangle C: 90, 37, ___; Triangle D: 90, 53, ___
- Triangle A: 53, 71, ___; Triangle B: 53, 71, ___
- Similiar Triangles
- Not Similiar Triangles
7.RP.2.a
8.G.4
8.G.5
1
2.
Draw two equilateral triangles that are not congruent.(Show your work)
Measure the side lengths and angles of your triangles. Are the two triangles similar?(Show your work)
Do you think two equilateral triangles will be similar always, sometimes, or never? Explain your reasoning.(short answer)
7.RP.2.a
8.G.4
8.G.5
1
3.
In the figure, line BC is parallel to line DE.
Explain why BCA is similar to ADE.
7.RP.2.a
8.G.4
8.G.5
1
4.
The quadrilateral PQRS in the diagram is a parallelogram. Let P1Q1R1S1 be the image of PQRS after applying a dilation centered at a point O (not shown) with scale factor 3.
Which of the following is true?
7.RP.2.a
8.G.4
8.G.5
1
5.
Describe a sequence of transformations for which Quadrilateral P is the image of Quadrilateral Q.
7.RP.2.a
8.G.4
8.G.5
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