Which of the following is NOT always true about similar figures?
a. They have the same shape
b. Corresponding sides are proportional
c. They have the same size
d. Corresponding angles are congruent
What is C?
(Remember, similar figures have the same shape but not necessarily the same size).
Another word for Dilation is __________
What is Scale Factor?
Two triangles have corresponding sides that are in the ratio of 3:5. What is the ratio of the perimeters of the two triangles?
3:5
When the scale factor K > 1, the figure becomes ______
What is bigger, enlarged, increased in size etc.?
The Roman god of war that March was named after.
What is Mars?
Which statement below correctly compares the figures?
A. The corresponding angles are congruent, but the corresponding sides are not proportional.
B. The corresponding sides are proportional, but the corresponding angles are not congruent.
C. The corresponding sides are not proportional, but the corresponding angles are not congruent.
What is A?
When I dilate a figure, the resulting figure is always _________
What is Similar?
Solve for x.
What is 6?
When the scale factor K is bigger than 0 but less than 1 (0<K<1), the figure becomes ________
What is smaller, reduced, shrunk etc.?
April ___________ bring May ___________.
What are showers and flowers?
This is used to determine how many times larger or smaller one object or figure is to another.
Scale Factor?
If I dilate a figure, the corresponding angles of the figure are _________
What is congruent?
Find the measure of <B
58 degrees
The coordinate point A (-1, 4) is dilated by a scale factor of 1/4, what is A'?
What is A'(-1/4, 1)?
March goes in like a _________ and out like a _________.
What are lion and lamb?
Which is true about dilation?
A. It is the only rigid transformation.
B. It is the only non rigid transformation
C. It is both a rigid and non rigid transformation.
B
If we dilate the point p (4,3) by a factor of r=6, what is the point p’?
What is p’ (24,18)?
Find the value of x
x = 20
Triangle ABC with coordinate points A(2, 1), B(1, 3) and C(3, 2) is dilated by a scale factor of 2. What are new coordinates of A', B' and C'?
What is A'(4, 2), B'(2, 6) and C'(6, 4)?
The name for a day when the daytime and nightime both last 12 hours.
What is an equinox?
Identify the scale factor of the dilation that took place.
Dilation with a scale factor of 1/2
If we dilate the point n (-2,6) by a factor of r=1/2, what is the point n’?
What is n’ (-1,3)?
Two corresponding sides of similar triangles are in the ratio of 4:7. what is the ratio of their areas?
16/49
Polygon JKLM with coordinate points J(4, 0), K(−8, 4), L(0, −4) and M(12, −8) is dilated by a scale factor of 3/2. What are new coordinates of J', K', L' M'?
What is J'(6, 0), K'(-12, 6), L'(0, -12) and M'(18, -12)?
The birthstones of March are ______________ and _______________.
What are aquamarine and bloodstone?