http://www.ck12.org Chapter 7. Similarity
Review Questions
Determine if the following statements are true or false.
- All equilateral triangles are similar.
- All isosceles triangles are similar.
- All rectangles are similar.
- All rhombuses are similar.
- All squares are similar.
- All congruent polygons are similar.
- All similar polygons are congruent.
- All regular pentagons are similar.
- 4 BIG∼4HAT. List the congruent angles and proportions for the sides.
- IfBI=9 andHA=15, find the scale factor.
- IfBG=21, findHT.
- IfAT=45, findIG.
- Find the perimeter of 4 BIGand 4 HAT. What is the ratio of the perimeters?
Use the picture to the right to answer questions 14-18.
- Findm^6 Eandm^6 Q.
15.ABCDE∼QLMNP, find the scale factor. - FindBC.
- FindCD.
- FindNP.
Determine if the following triangles and quadrilaterals are similar. If they are, write the similarity statement.