25. Which of the following instrument must be used to draw rays of an angle?
A. caliper
B. compass
C. micrometer D. straight edge
26. Which of the following defined as a closed plane figure formed by three or more
lines.
A circle
B. triangle
C. pentagon
D. polygon
27. A convex polygon for which all angles are equal and sides have the same length.
A. concave
B. equiangular C. equilateral
D. regular
?
28. If all the sides of a polygon have the same length, then the polygon is
A. concave
B. equiangular C. equilateral D. regular
29. The sum of the measures of the interior angles of a polygon is (n - 2)180°,
where "n" in the formula stands for the number of ?
A. angles
B. lines
C. sides
D. segments
30. What is the sum of the measures of the interior angles of a 25-sided polygon?
A. 4, 410
B. 4, 401
C. 4, 140
D. 4, 041
31. How many sides does a polygon have if the sum of the measures of its interior
angles is 3, 240?
A 14
B. 16
C. 18
D. 20
32. Which of the following is the sum of the interior angles of a 14-sided polygon?
A. 2,160
B. 2, 150
C.2, 140
D. 2, 130​