Illustrative Mathematics - Geometry - Unit 5 - Lesson 3
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Last updated about 1 year ago
7 Questions
1
1.
Each image shows a quadrilateral in a plane. The quadrilateral has been dilated using a center above the plane and a scale factor between 0 and 1. Match the dilation with the scale factor used.
| arrow_right_alt | \frac{1}{4} | |
| arrow_right_alt | \frac{1}{2} | |
| arrow_right_alt | \frac{3}{4} |
G.GMD.1
G.GMD.4
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2.
1
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1
4.
The horizontal cross sections of this figure are dilations of the bottom rectangle using a point above the rectangle as a center.
What scale factors of dilation are represented in the figure’s cross sections?
G.GMD.1
G.GMD.4
1
5.
Imagine an upright cone with its base resting on your horizontal desk. Match each plane with the image of the cross section formed by intersecting the plane with the cone.
| arrow_right_alt | Figure 1 | |
| arrow_right_alt | Figure 2 | |
| arrow_right_alt | Figure 3 |
G.GMD.1
G.GMD.4
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6.
What is the shape of the cross section formed by intersecting a cube with a vertical plane that passes through opposite edges of the cube? Explain how you know.
G.GMD.1
G.GMD.4
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7.
Sketch the solid of rotation formed by rotating the given two-dimensional figure using the dashed vertical line as an axis of rotation.
G.GMD.1
G.GMD.4
This lesson is from Illustrative Mathematics. Geometry, Unit 5, Lesson 3. Internet. Available from https://curriculum.illustrativemathematics.org/HS/teachers/2/5/3/index.html ; accessed 29/July/2021.
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