Post on 13-Jan-2016
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Chapter 7 Geometry Jeopardy
Vocab Similar Polygon
s
Similar Triangles
Proportions and ratios
Similar Parts
100
200
300
400
500
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200
300
400
500
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200
300
400
500
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200
300
400
500
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300
400
500
Final Jeopardy Challenge
Vocab
A segment with endpoints that are the midpoints of the two
sides of a triangle.
100
Vocab
What is the midsegment?
100
Vocab
Two polygons that have the same shape but may be
different in size.
200
Vocab
What is similar polygons?
200
Vocab
A comparison of two quantities using division.
300
Vocab
What is ratio?
300
Vocab
An equation that states two ratios are equal.
400
Vocab
What is a proportion?
400
Vocab
Ratio of the lengths of the sides of two similar polygons.
500
Vocab500
What is the scale factor?
Similar Polygons 100
If quadrilateral DEFG ~ quadrilateral WXYZ, this is the value of angle Y.
D
E
G
F
Y
Z
X
W
125˚ 100˚
83˚
52˚
Similar Polygons
What is 100˚?
100
Similar Polygons
Value of AD.
200
S P
R Q
A D
B C28
10 6.5
Similar Polygons
What is 18.2?
200
Similar Polygons
Polygon ABCDE ~ polygon RSTUV. This is the value of RV.
300
A
B C
D
E
R
S
T
U
V
12
15 25
Similar Polygons
What is 20?
300
Similar Polygons
Quadrilateral JKLM ~ quadrilateral WXYZ, JK = 15, LM = 10, XY = 6, and WX = 9. The
value of KL.
400
Similar Polygons
What is 10?
400
Similar Polygons
A quadrilateral has a perimeter of 92 cm and one side measures
16 cm. The lengths of the other three sides are in the ratio
5:6:8. These are the lengths of the three missing sides.
500
Similar Polygons
What are 20, 24, & 32 cm?
500
Similar Triangles 100Determine if triangle ABC ~ triangle DEF. If yes state the theorem used.
A
C
B
D
EF12
8
9
4
Similar Triangles
What is not similar?
100
Similar Triangles 200
Triangle ABC ~ Triangle DEF, this is the value of angle C.
A
B
C E
D
F
67˚
67˚
54˚
Similar Triangles
What is 59˚?
200
Similar Triangles 300
A
B C
D
E
8
20
35
Value of CE.
Similar Triangles
What is 25?
300
Similar Triangles
Value of CE. (NOT drawn to scale)
400
A
B
C D
E
6
5
4
39
Similar Triangles
What is 26?
400
Similar Triangles
The shortest side of a triangle is 4 meters long, this is the
perimeter if the three sides of this triangle are in the ratio
2:4:5.
500
Similar Triangles
What is 22 m?
500
Proportions and ratios
Given the choice between doing an oral and a written
report, 18 of the 28 students chose to do an oral report.
This is the ratio of written to oral reports.
100
Proportions and
ratios
What is 5:9?
100
Proportions and
ratios
Of the 300 televisions sold at an electronics store last
month, 90 were flat-screen TVs. This is the
ratio of flat-screen TVs to other TVs sold last month.
200
Proportions and ratios
What is 3:7?
200
Proportions and
ratios
The model of a suspension bridge is 18” long and 2” tall. If the length of the
actual bridge is 1650’, this is its height.
300
Proportions and ratios
What is 183⅓’?
300
Proportions and ratios
A painting that is 48” x 12” is reduced to fit on an area that is 30in x 10in. This is
the maximum dimensions of the reduced painting.
400
Proportions and ratios
What is 30in x 7.5in?
400
Proportions and ratios
This is the ratio of the circle area to the area of the square in
terms of π.
500
4m
4m
Proportions and
ratios
What is π/4?
500
Similar Parts
The value of x.
36 18
100
20 x
Similar Parts
What is 10?
100
Similar Parts
The value of x.
200
96
12
x
Similar Parts
What is 8 ?
200
Similar Parts
The value of x.
300
x
11
X + 7
17
Similar Parts
What is 77/6?
300
Similar Parts
The perimeter of the smaller triangle.
400
2022
24
10
Similar Parts
What is 33?
400
Similar Parts
The perimeter of triangle ABC.
500
9
512
13A
B
C
E
D
Similar Parts
What is 54 units?
500
Final Jeopardy
This is the length of FG.
A
B
C
D
E F
G
2.8
3.2
8
This is the length of FG.
7
4.2
Final Jeopardy
ANSWER
What is 4.8?