Similar figures have the same what?
Shape
DOUBLE POINTS
The scale factor tells you by how much a figure is ____________ or enlarged.
reduced
What is the value of x?
2.5
Sara is 6 feet tall. The sign she is standing next to casts a shadow that is 10 feet long. Sara's shadow is 3 feet long. How tall is the sign?
20 feet
DOUBLE POINTS
What are the steps to a multi step equation?
distribute
combine like terms
move the variable
add/subtract
multiply divide
Similar figures have different____________.
Sizes
When going from a big figure to a small figure, the scale factor will be __________________.
Solve for f (round to tenths place)
10.3
A telephone booth that is 8 ft tall casts a shadow that is 4 ft long. Find the height of a lawn ornament that casts a 2 ft shadow.
4 ft.
TRIVIA
What planet is known as the red planet?
Mars
The angles of similar figures are___________
congruent
When going from a small figure to a big figure, the scale factor will be _________________.
greater than one
Solve for x
6
A model house has a scale of 1 in : 2 ft. If the real house is 26 ft wide then how wide is the model house?
13 inches
List 2 topics we covered in 8th grade
Answers may vary
DOUBLE POINTS
The lengths of corresponding sides of a similar figure are________.
Proportional
Figure one has a side length of 25inches. The corresponding side of figure two has a length of 5 inches. What is the scale factor? (if its an enlargement)
5
140
A 16 ft tall adult giraffe standing next to a baby giraffe casts a 8 ft shadow. If the baby giraffe is 6 ft tall then how long is its shadow?
3 ft.
True or false??
Congruent shapes are identical
True
After you set up a proportion what do you do to figure out if two figures are similar?
Cross multiply
TRIVIA
What do you call a baby goat?
A kid
Are these triangles similar?
A particular motorcycle is 9 ft long. A model of it was built with a scale of 1 in : 3 ft. How long is the model?
3 ft.
TRIVIA
no calculator:
9 + 1 x 3 - 1 + 12
23