#1
What is the sum of interior angles in a triangle?
180 degrees
ExplanationThe sum of interior angles in any triangle is always 180 degrees.
#2
In a parallelogram, what is the sum of adjacent angles?
180 degrees
ExplanationThe sum of adjacent angles in a parallelogram is always 180 degrees.
#3
What is the measure of each interior angle in a regular nonagon?
135 degrees
ExplanationEach interior angle in a regular nonagon measures 135 degrees.
#4
If the exterior angle of a regular polygon is 30 degrees, how many sides does the polygon have?
12
ExplanationA regular polygon with an exterior angle of 30 degrees has 12 sides.
#5
If the measure of an angle in a regular pentagon is 108 degrees, what is the sum of all interior angles in the pentagon?
720 degrees
ExplanationThe sum of all interior angles in a regular pentagon with one angle of 108 degrees is 720 degrees.
#6
In a regular pentagon, what is the measure of each interior angle?
108 degrees
ExplanationIn a regular pentagon, each interior angle measures 108 degrees.
#7
What is the exterior angle of a hexagon?
60 degrees
ExplanationThe exterior angle of a regular hexagon measures 60 degrees.
#8
What is the measure of each exterior angle in a regular heptagon?
60 degrees
ExplanationEach exterior angle in a regular heptagon measures 60 degrees.
#9
If one angle in a rhombus is 120 degrees, what is the measure of each interior angle?
60 degrees
ExplanationIn a rhombus, each interior angle measures 60 degrees.
#10
If the interior angle of a polygon is 150 degrees, how many sides does the polygon have?
10
ExplanationA polygon with an interior angle of 150 degrees has 10 sides.
#11
What is the sum of exterior angles in any polygon?
360 degrees
ExplanationThe sum of exterior angles in any polygon is always 360 degrees.
#12
If the sum of interior angles in a polygon is 900 degrees, how many sides does the polygon have?
6
ExplanationA polygon with a sum of interior angles of 900 degrees has 6 sides.
#13
What is the measure of each interior angle in a regular decagon?
144 degrees
ExplanationEach interior angle in a regular decagon measures 144 degrees.
#14
In a regular octagon, what is the measure of each exterior angle?
60 degrees
ExplanationEach exterior angle in a regular octagon measures 60 degrees.
#15
If the sum of interior angles in a polygon is 1620 degrees, how many sides does the polygon have?
12
ExplanationA polygon with a sum of interior angles of 1620 degrees has 12 sides.
#16
If the measure of an exterior angle of a regular polygon is 45 degrees, how many sides does the polygon have?
8
ExplanationA regular polygon with an exterior angle of 45 degrees has 8 sides.
#17
In a trapezoid, what is the sum of interior angles?
180 degrees
ExplanationThe sum of interior angles in a trapezoid is always 180 degrees.