Chapter 1: Q34 (page 9)
Sketch and label the figures described. Use dashes for hidden parts.
Three vertical planes intersect in a line.
Chapter 1: Q34 (page 9)
Sketch and label the figures described. Use dashes for hidden parts.
Three vertical planes intersect in a line.
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Get started for freeIn diagrams a, b, c, and d are lengths. Which is greater, the product ab or the product cd?
You can think of the ceiling and floor or a room as parts of horizontal planes. The walls are parts of vertical planes. Vertical planes are represented by figures like those shown in which two sides are vertical. A horizontal plane is represented by a figure like that shown, with two sides horizontal and no sides vertical.
Can two horizontal planes intersect?
A plane can be named by three or more non-collinear points it contains. In chapter 12 you will study pyramids like the one shown at the right below.
Name three planes that intersect at point S.
For the following figure, find is the same as or not.
Make a sketch showing four points that are not coplanar.
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