Unit 5: Ratio and Proportionality
QUIZ 3
Name: _________________
Date: __________ Period: ___
Teacher: ________________
Say whether problems 1 through 5 are true or false.
1. Two triangles will be similar if they have two pairs of equal, corresponding angles.
2. You can be certain two quadrilaterals are similar if they have three pairs of equal,
corresponding angles.
3. The scale factor between two similar figures is the same as the similarity ratio.
4. A scale factor that is less than 1 will result in an enlargement.
5. Two polygons are similar if they have all sides in proportion and all corresponding angles
are equal.
6. Sketch two similar right triangles and use them to find the height of the tree in the
following problem.
The tree casts a shadow of 35 feet at the same time of day that a vertical stick casts a
shadow of 12 inches. The stick measures 8 inches.
© America’s
Choice, Inc.
|
249