7.1
7.2
7.3
Vocabulary
Mixed Review
100
Before reducing your ratio, what must be the same?
Your units!
100
What is true about similar figures' angles measures?
They are congruent.
100
How many shortcuts are there to tell if two triangles are similar?
Three
100
A _________________ is a comparison of two quantities by division.
What is a ratio
100
What is the symbol for similarity?
~
200
Write a ratio of the first measurement to the second. Tennis court: 26 yards Ping Pong Table: 9 feet
26:3
200
Write a similarity statement for the figures below: (card)
AFGLM ~ JBCDK
200
What shortcut can you use to say the following triangles are similar? (card)
SAS~
200
A _______________ is a statement where 2 ratios are equal.
What is a proportion
200
When would you use indirect measurement?
When objects are too big to measure directly.
300
Write a ratio of the first measurement to the second: Tennis racket: 2 ft 4 in. Ping Pong Paddle: 10 in.
14:5
300
What are the two steps you must take in order to determine if 2 shapes are similar?
(1) Check to see if the angles are congruent (2) Write an extended proportion and see if the side lengths are proportional.
300
What shortcut can you use to say that the following triangles are similar?
SSS~
300
A ___________________ is a statement where 3 or more ratios are equal.
What is an extended proportion.
300
What are 2 of the 3 methods of indirect measurement?
Mirror, Shadow, and Surveying.
400
Solve for "x" 9/24 = 12/x
x = 32
400
Are the figures below similar? (card)
No. Side lengths are not proportional
400
Solve for "x". (card)
x=40
400
What are similar polygons?
Polygons that are the same shape but different sizes.
400
In a triangle, all the angles add up to _____ degrees.
What is 180.
500
Solve for y. 5/y-3 = 10/y
y = 6
500
What is the measure of
59 degrees
500
Derek wants to know how high he will be climbing. What is the height of the cliff? (card/picture)
33 feet
500
___________________ is a shortcut to show that 2 triangles are similar if 2 pairs of matching angles are congruent.
AA~ postulate
500
_____________ angles add up to 90 degrees.
What are complementary angles.
M
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