CK-12 Geometry Concepts

http://www.ck12.org Chapter 7. Similarity

ABCDis a rectangle

2.AE:EF

3.EB:AB

4.DF:FC

5.EF:BC

6. PerimeterABCD: PerimeterAEF D: PerimeterEBCF


7. The measures of the angles of a triangle are have the ratio 3:3:4. What are the measures of the angles?


8. The lengths of the sides in a triangle are in a 3:4:5 ratio. The perimeter of the triangle is 36. What are the
   lengths of the sides?


9. The length and width of a rectangle are in a 3:5 ratio. The perimeter of the rectangle is 64. What are the length
   and width?


10. The length and width of a rectangle are in a 4:7 ratio. The perimeter of the rectangle is 352. What are the
    length and width?


11. The ratio of the short side to the long side in a parallelogram is 5:9. The perimeter of the parallelogram is 112.
    What are the lengths of the sides?


12. The length and width of a rectangle are in a 3:11 ratio. The area of the rectangle is 528. What are the length
    and width of the rectangle?


13. The length and width of a rectangle are in a 2:15 ratio. The area of the rectangle is 3630. What are the length
    and width of the rectangle?


14. Two squares have areas of 4cm^2 and 16cm^2. What is the ratio of the side length of the smaller square to the
    side length of the larger square?


15. Two triangles are congruent. What is the ratio between their side lengths?