1. Terra Nova Practice Review of Lessons 18 - 20

2. Problem 1 If you plot the following points on the grid below and connect them, what figure do you get? (2, 4), (6, 4), (6,2) A rectangle B equilateral triangle C isosceles triangle D right triangle

3. Problem 2 Which statement is true about the radius of a circle? A It is 1/3 the circumference. B It is ½ the circumference. C It is ½ the diameter. D It is a line segment that connects any two points on a circle.

4. Problem 3 Which has the greatest length? A the diameter of a circle B the radius of a circle C the circumference of a circle D a chord of a circle

5. Problem 4 What change will take place in the area of a rectangle if the length of each side is multiplied by 1/3? A The area of the new rectangle will be ½ the area of the original rectangle. B The area of the new rectangle will be 1/3 the area of the original rectangle. C The area of the new rectangle will be 16 times the area of the original rectangle. D The area of the new rectangle will be 1/9 the area of the original rectangle.

6. Problem 5 Which figure below represents how this three- dimensional figure looks like from above?

7. Answer 1 D 2 C 3 C 4 D 5 C