WorksheetsChapter 9 Review Quizizz
Total questions: 20
Worksheet time: 3600secs
What does it mean for two shapes to be similar?
Their angles add up to 180o.
They are congruent.
Same shape, but different size.
Same size and same shape.
State if the polygons are similar.
1. Sides are 4 and 5
2. Sides are 10 and 14
Similar
Not Similar
State if the polygons are similar.
1. Sides are 25 and 30
2. Sides are 20 and 24
Similar
Not similar
Which triangle is similar to the above triangle?
Blue Triangle: 12 x 9
A: 16 x 12
B: 20 x 30
C: 10 x 15
D: 9 x 6
The polygons in each pair are similar. Find the scale factor of the smaller figure to the larger figure.
8:9
2:3
1:7
5:8
The polygons in each pair are similar. Find the scale factor of the smaller figure to the larger figure.
1:4
5:9
5:8
7:9
ΔPRQ ∼ ΔDEF
What is m∠D ?
35
89
56
40
A rectangle has the dimensions 4cm by 5cm. A scale factor of 3 is used to enlarge the rectangle. What is the new area?
20 cm2
60 cm2
180 cm2
100 cm2
A ~ B. What is the scale factor of the dilation of A to B?
34
43
3
4
ABC ~ XYZ. What is the scale factor of the dilation of ABC to XYZ?
32
23
2
3
Which figure is similar?
A
B
C
D
The diagram below shows a rectangle that is 9 m by 15 m in measure. Which is the measure of a rectangle that is similar to the rectangle above?
14 m x 20 m
18 m x 30 m
20 m x 30 m
6 m x 12 m
