Lesson 1: Practice Problems
Problem 1
Rectangle
6 cm by 1.5 cm
10 cm by 2 cm
13 cm by 4 cm
18 cm by 4.5 cm
80 cm by 20 cm
Problem 2
Rectangle
Is Rectangle
a scaled copy of Rectangle ? If so, what is the scale factor? Is Rectangle
a scaled copy of Rectangle ? If so, what is the scale factor? Explain how you know that Rectangle
is not a scaled copy of Rectangle . Is Rectangle
a scaled copy of Rectangle ? If so, what is the scale factor?
Problem 3
Here are three polygons.
Draw a scaled copy of Polygon
with scale factor . Draw a scaled copy of Polygon
with scale factor 2. Draw a scaled copy of Polygon
with scale factor .
Problem 4 From Unit 1 Lesson 15
Which of these sets of angle measures could be the three angles in a triangle?
, , , , , , , ,
Problem 5 From Unit 1 Lesson 14
In the picture lines