Geometry 1112 Self Test

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How many degrees to the nearest hundredth are in each angle of a regular polygon having seven sides?

128.57

The sum of the measures of the angles of an obtuse triangle is...

180

The sum of the exterior angles of a polygon is...

360

The sum of the measures of the angles of a parallelogram is...

360

The sum of the measures of the exterior angles of a rhombus is...

360

A pentagon has ... sides

5

A hexagon has ... sides

6

If the sum of the measures of the angles of a polygon is 720, how many sides does the polygon have?

6

If a regular polygon have six sides, the measure of each exterior angle is...

60

A regular octagon has ... sides

8

The sum of the measures of the angles of a decagon is...

1,440

If the sum of the measures of the angles of a polygon is 1,260, how many sides does the polygon have?

9

The line joining the ... of two sides of a triangle is equal to half the length of the third side

midpoints

If two lines are everywhere equidistant, they are... to each other

parallel

If the diagonals of a parallelogram are ... and congruent, the parallelogram is a square

perpendicular

A ... always has four right angles

rectangle

median of a trapezoid

segment connecting the midpoints of nonparallel sides of a trapezoid

If both pairs of opposite ... of a quadrilateral are congruent, it must be a parallelogram

sides

Two lines perpendicular to the same line are...

parallel

The median of a trapezoid is ... to the bases

parallel

rectangle

a parallelogram with four right angles

regular polygon

a polygon which is both equilateral and equiangular

legs of a trapezoid

the two nonparallel sides of a trapezoid

A quadrilateral with only one pair of opposite sides parallel is a ...

trapezoid

A square is not a ...

trapezoid

A diagonal divides a parallelogram into two congruent ...

triangles

pentagon

a polygon with five sides

quadrilateral

a polygon with four sides

decagon

a polygon with ten sides

trapezoid

a quadrilateral with only one pair of opposite sides parallel

diagonal of a polygon

a segment joining two nonconsecutive vertices

Each ... formed by the intersection of two perpendicular lines is congruent to each other

angle

concave polygon

any polygon in which at least one of the interior angles measures greater than 180

The ... of a trapezoid are parallel

bases

The sum of the measures of the ... of an octagon is 360

exterior angles

A ... is a polygon with seven sides

heptagon


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