Mat 540 Quiz

What is the sum of four angles if two are complementary and two are supplementary?
(A) 180 degrees
(B) 360 degrees
(C) 270 degrees
(D) 90 degrees
How many noncolinear points are required to determine a plane?
(A) Two
(B) An infinite number
(C) Four
(D) Three
How many dimensions are spanned by intersecting lines?
(A) Two
(B) Three
(C) One
(D) More information is needeed
How many times can two lines intersect?
(A) Zero
(B) One
(C) Two
(D) Zero or One
When is a line l perpendicular to a plane?
(A) When l and the plane intersect at one point
(B) When l and the plane don't intersect
(C) When every line in the plane that contains the intersection point of the l and the plane is perpendicular to l
(D) When l intersects evey line
(A) A triangle
(B) A quadrilateral
(C) A pentagon
(D) A dodecagon
How many triangles must be combined to assemble a heptagon?
(A) Two
(B) Three
(C) Five
(D) Triangles cannot be combined to form a heptagon
If the interior angles of a polygon sum to 720 degrees, how many vertices does that polygon have?
(A) Four
(B) Five
(C) Six
(D) The sum of the interior angles of a polygon never equals 720 degrees
A rectangle is an example of what?
(A) An equilateral polygon
(B) A parallelogram
(C) A closed curve
(D) Answers (b) and (c)
Given that the quadrilateral pictured is a parallelogram, what is the measure of angle 1?

Figure 5
(A) 30 degrees
(B) 60 degrees
(C) 150 degrees
(D) Not enough information to tell
Given that the quadrilateral pictured is a parallelogram, what is the measure of angle 2?

Figure 6
(A) 40 degrees
(B) 80 degrees
(C) 100 degrees
(D) Not enough information to tell
What polygon has 540 degrees of interior angles and 14 diagonals?
(A) A pentagon
(B) A heptagon
(C) Any polygon
(D) There is no polygon with such characteristics
If the sum of the lengths of the bases of a trapezoid is 12, what is the length of its median?
(A)