5. Which is a 3-sided regular polygon? *
A. obtuse triangle
B. scalene triangle
C. isosceles triangle
D. equilateral triangle
6. Which of the following is TRUE for any two congruent polygons? *
A. Their areas are equal.
B. Their perimeters are equal.
C. They can be made to fit together when superimposed.
D. All of the above
7. Which refers to the distance around a circle? *
A. central angle
B. circumference
C. perimeter
D. diameter
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