Jeopardy Math
Chapter 7
400400400400400
200200200200200
10001000100010001000
800800800800800
600600600600600
Always, Sometimes,
Never
Parallel lines
~ Triangles~ PolygonsRatio/ Proportions
Final Jeopardy
Ratio/ Proportions 200
Solve for x.
10
3 12
x
Answer 200 Ratio/ Proportions
X = 40
Ratio/ Proportions 400
Solve for x.
9 4
7 11
x
x
Answer 400 Ratio/ Proportions
X = 63 ½
Ratio/ Proportions 600
Kaci buys $20 worth of school supplies and Zak buys $50 worth of school supplies. What is the ratio of what Kaci bought to the total spent
on school supplies?
Answer 600 Ratio/ Proportions
Ratio 2:7
Ratio/ Proportions 800
If the length to width ratio of a standard window is 8:9, then how long is my window if it is 3 ½ ft
wide?
Answer 800 Ratio/ Proportions
Width: 3 1/9 ft
Ratio/ Proportions 1000
The ratio of the side lengths of triangle XYZ are 2:3:5 (XY:YZ:XZ). Find x
Y
4x 18
X 3x +21 Z
Answer 1000 Ratio/ Proportions
X = 3 , , CF EF DF
~ Polygons 200
Similar polygons have __________ angles and __________ sides.
Answer 200 ~ Polygons
Congruent, proportional
~ Polygons 400
Draw two similar quadrilaterals.
Answer 400 ~ Polygons
Answers need all congruent angles and all sides the same
proportion.
~ Polygons 600
Quad FGHI ~ Quad TUVW, GH=16, HI=10, VW=22, find UV.
Answer 600 ~ Polygons
UV=35 1/5
~ Polygons 800
The perimeter of triangle XYZ is 32.
Find x. ABC XYZ
Y
X 10 Z
B
x – 1 x – 8
A 6 C
Answer 800 ~ Polygons
Perimeter of triangle ABC is 19.2 so
x = 111/10
~ Polygons 1000
In both sets, which two triangles are similar and why?
A.
B.
10 65 18 35
12
10 65 18 35
12
29 73
6 7.2 65 45
4.8
5 9 35 80
6
78 29
75 95
Answer 1000 ~ Polygons
A.) 1st and 3rd SAS
B.) 1st and 2nd AA
~ Triangles 200
The three ways to prove similar triangles are….
Answer 200 ~ Triangles
AA, SAS, SSS
~ Triangles 400
Draw two similar triangles using SAS.
MN
Answer 400 ~ Triangles
Answers will vary.
~ Triangles 600
Find x. Tri ABC ~ Tri DEF.
B F Q D
x 11 x+2 9
A P C E
KP
Answer 600 ~ Triangles
X = 9
~ Triangles 800
Tri ABC ~ Tri XYZ. Find x.B Y
x–16 16
A 21D C X x V Z
Answer 800 ~ Triangles
x = 28 1
2
11
20
2
~ Triangles 1000
Find x.
6 5
x
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10
Answer 1000 ~ Triangles
X = 4 6/11
Parallel lines 200
In a triangle, if a segment that hits the triangle on two sides is parallel to a side of
the triangle, then _________________________________.
Answer 200 Parallel lines
it cuts the segments into proportional parts.
Parallel lines 400
Find x.
9 14
x + 2 x
Answer 400 Parallel lines
X = 7
Parallel lines 600
Find x.
6
8
x
10
Answer 600 Parallel lines
x = 1 ½
Parallel lines 800
Find x so that BD || AE. A
B
C
D
E
x + 110
3x
12
Answer 800 Parallel lines
X = 2/3
4 90m
Parallel lines 1000
Find x.
6x 4x
10x 16
Answer 1000 Parallel lines
X = 2 2/5
Always, Sometimes,Never200
Isosceles triangles are __________ similar.
Answer 200 Always, Sometimes,Never
Sometimes
Always, Sometimes,Never400
Similar pentagons are __________ congruent.
Answer 400 Always, Sometimes,Never
Sometimes
Always, Sometimes,Never600
Congruent polygons are __________ similar.
Answer 600 Always, Sometimes,Never
Always
Always, Sometimes,Never800
Isosceles right triangles are __________ similar.
Answer 800 Always, Sometimes,Never
Always
Always, Sometimes,Never1000
If two corresponding angles of two rhombi are congruent, then the
rhombi are __________ similar.
Answer 1000 Always, Sometimes,Never
Always
Final Jeopardy
Draw two triangles that are similar by SAS~
Final Jeopardy Answer