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Biblioteka

Open Up - Grade 7 - Mathematics - Unit 1 - Lesson 4

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"Source: Open Up Resouces (Download for free at openupresources.org.)"

Pitanje 1
1.

Select all the statements that must be true for any scaled copy Q of Polygon P.

Pitanje 2
2.

Here is Quadrilateral ABCDPQRS.

Quadrilateral PQRS is a scaled copy of Quadrilateral ABCD. Point P corresponds to A, Q to B, to R, and S to D.

If the distance from P to R is 3 units, what is the distance from Q to S? Explain your reasoning.

Pitanje 3
3.

Figure 2 is a scaled copy of Figure 1.

Identify the points in Figure 2 that correspond to the points A and C in Figure 1. Label them P and R. What is the distance between P and R?

Pitanje 4
4.

Figure 2 is a scaled copy of Figure 1.

Identify the points in Figure 1 that correspond to the points O and S in Figure 2. Label them B and D. What is the distance between B and D?

Pitanje 5
5.

Figure 2 is a scaled copy of Figure 1.

What is the scale factor that takes Figure 1 to Figure 2?

Pitanje 6
6.

Figure 2 is a scaled copy of Figure 1.

G and H are two points on Figure 1, but they are not shown. The distance between G and H is 1. What is the distance between the corresponding points on Figure 2?

Pitanje 7
7.

To make 1 batch of lavender paint, the ratio of cups of pink paint to cups of blue paint is 6 to 5. Find two more ratios of cups of pink paint to cups of blue paint that are equivalent to this ratio.