Chapter 6 Honors Geometry. Quadrilaterals & Polygons Review. How many sides does a polygon have if the sum of the measures of the interior angles is 2880?. 18 Sides. Find the sum of the exterior angles (one per vertex) of a 23-gon. 360 .
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How many sides does a polygon have if the sum of the measures of the interior angles is 2880?
Name the polygon whose ratio of each interior angle to each exterior angle is 4:1.
A.mCDB = 126
B.mCDB = 63
C.mCDB = 54
D.mCDB = 27
Sahas has a shape he knows to be a parallelogram and all four sides are congruent. Which information does he need to know to determine whether it is also a square?
A. The diagonal bisects a pair of opposite angles.
B. The diagonals bisect each other.
C. The diagonals are perpendicular.
D. The diagonals are congruent.
The diagram shows a car jack used to raise a car from the ground. In the diagram, AD BC and AB DC. Based on this information, which statement will be true, regardless of the height of the car jack.
A. A B
B. A C
D.mA + mC = 180
Find the measure of an interior angle of a regular polygon that has 10 sides.
Find the measure of an interior angle of a regular polygon that has 12 sides.
What type of regular polygon has interior angles with a measure of 135°?