WorksheetsGeometry: 7.1-7.3 Review
Total questions: 46
Worksheet time: 3hrs 33mins
Solve the proportion.
-3
-1.5
2.1
9
1 : 3
6 : 18
2 : _
4 : _
Solve the proportion.
-3
-1.5
2.1
9
A triangle’s angle measures are in the extended ratio of 2 : 4 : 9. Find the measures of the angles.
20o, 40o, 90o
24o, 48o, 108o
24o, 32o, 124o
20o, 40o, 100o
A triangle’s angle measures are in the extended ratio of 3 : 4 : 11. Find the measures of the angles.
30o, 40o, 90o
30o, 40o, 110o
10o, 30o, 140o
40o, 40o, 100o
A triangle’s angle measures are in the extended ratio of 1 : 2 : 3. Find the measures of the angles.
30o, 60o, 90o
10o, 20o, 30o
20o, 40o, 60o
30o, 50o, 100°
A triangle’s angle measures are in the extended ratio of 3 : 4 : 11. Find the measures of the angles.
30o, 40o, 90o
30o, 40o, 110o
10o, 30o, 140o
40o, 40o, 100o
When figures are similar, their corresponding angles are__________________.
congruent
proportional
yellow
obtuse
Find the scale factor.
4:1
1:3
2:1
7:3
The pair of figures is similar. Find the missing side.
x = 10
x = 4
x = 2
x = 5
State if the polygons are similar.
similar
Not similar
The polygons in each pair are similar. Find the scale factor of the smaller figure to the larger
figure.
a
b
c
d
The scale factor of two similar figures is 4 : 5. What is the ratio of their perimeters?
4 : 5
16 : 25
64 : 125
8 : 10
The triangles are similar and the perimeter of SRT = 15. What is the scale factor between the two?
⅘
⅚
½
¾
The triangles are similar and the perimeter of SRT = 15. What is the perimeter of WZX??
12
12.5
13
15
ΔTUV ∼Δ ___
by which postulate?
ΔTSR
by AA similarity
Not similar
ΔTRS
by AA similarity
Match the corresponding similar sides.
KL
FG
LM
GH
MK
HF
