CAPS · Grade 8 · R
The sum of the interior angles of a polygon is 1080°. How many sides does it have, and what is it called?
A octagon has 8 sides, but they are not all the same length. Is it a regular or an irregular polygon?
A pentagon has 5 interior angles. 4 of them are 102°, 102°, 101°, 102°, and the last is x. Calculate the value of x.
Each interior angle of a regular polygon is 135°. How many sides does the polygon have?
What is the name of a polygon with 10 sides?
How many sides does a heptagon have?
Calculate the sum of the interior angles of a heptagon.
Each interior angle of a regular polygon is 120°. How many sides does the polygon have?
Calculate the size of each interior angle of a regular hexagon (6 sides).
What is the name of a polygon with 6 sides?
A decagon has 10 sides, but they are not all the same length. Is it a regular or an irregular polygon?
How many sides does a pentagon have?