Vocabulary
How do you solve to determine if 2 ratios are equivalent?
cross multiply or simplify the ratios
Triangle ABC is similar to triangle GHI. Which side corresponds to side BC?
side HI
You have a triangle with sides of 2 in, 4 in, and 3 in. What would the new sides be with a scale factor of 2?
6 in, 8 in, 10 in
The ratio of two complementary angles is 4:5
Find the measure of both angles.
40 degrees
50 degrees
What can you break, even if you never pick it up or touch it?
A promise
What do two shapes have to be to be similar?
same shape, proportional
Rectangle DEFG is similar to Rectangle MNOP. Which side corresponds to side DE?
side MN
Are these proportional?
rectangle with lengths 5 in and 10 in, and rectangle with lengths 4 in and 9 in
NO
The ratio of boys to girls is 5 to 7.
If there are 24 students in the class, how many of them are girls.
14 girls
The more of this there is, the less you see. What is it?
Darkness
What is true about the angles of similar figures?
corresponding angles are equal
Parallelogram TUVW is similar to parallelogram CDEF. Which side corresponds to side CF?
side TW
You have a new triangle of A'B'C' with side lengths of 7.5, 8, and 10. What would the original side lengths be if the scale factor was 1/2?
15, 16, 20
The ratio of two supplementary angles is 11:7
What is the measure of both angles?
110 degrees
70 degrees
Where does today come before yesterday?
The dictionary
What is an equivalent fraction to 4/7?
8/14, 12/21, 40/70
Pentagon CDEFG is similar to pentagon PQRST. Which side corresponds to side EF?
side RS
Triangle ABC has side lengths of 15, 30, and 45. Your new triangle A'B'C' has side lengths of 5, 10, and 15. What scale factor was used to get the new triangle?
1/3
The ratio of the measures of the sides of a triangle are 3:5:6. If the perimeter of the triangle is 28 in. How long is the shortest side
6 inches
What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?
NOON
What is true about the sides of similar figures?
corresponding sides are proportional
Rectangles BDEF and PSTR are similar. Name a pair of corresponding sides.
BD and PS, DE and ST, EF and TR, or BF and RP
You have a triangle with sides 6, 8, 10. What are the new side lengths if you use a scale factor of 3.6?
21.6, 28.8, 36?
Daily Double!
x=14
What can fill a room but takes up no space?
Light