The corbettmaths practice questions on angles in polygons. Children will be taught the total interior angles of regular polygons and will use this to inform this exercise.
How to find the sum of the exterior angles and interior angles of a polygon.
Angles in regular polygons worksheet. Every convex polygon has interior and exterior angles. Again these worksheets are great for revising calculating angles in polygons. Finishes with some work on regular polygons.
Exterior angle of regular polygons. Fine tune your skills using the angles in polygons worksheets with skills to find the sum of interior angles of regular and irregular polygons find the measure of each interior and exterior angle and much more. A d y y b e yy c than amir s.
The interior angles. Interior angles of a polygon. F y y the sum of the interior angles of my polygon is 1 080.
Regular polygons occur when angles are equal and the sides are the same length. This is not true for irregular triangles. Angles are all multiples of 5 so this could be done without a calculator.
Worksheet using the formula for the sum of exterior angles. Videos worksheets 5 a day and much more. Students will practice working with the formula for interior angles of regular polygons.
Therefore examples of polygons include rectangles squares quadrilaterals triangles hexagons pentagons and decagons to name a few. The exterior angle of a regular n sided polygon is 360 n. The sum of the exterior angles at each vertex of a polygon measures 360 o.
1 find the sum of the degree of the measures of the interior angles of a regular polygon that has 8 sides. Find the missing angles in each of the polygons. This worksheet includes many practice problems including an extend your thinking bonus problem at the sheet s end.
My polygon has more sides than rosie s but fewer. Students will need to know how to work out the total angle sum in each polygon before they attempt this worksheet. Work out angle y in each case.
Angles in polygons worksheets. Worksheet using the formula for the sum of interior and exterior angles. 5 each compound shape is made up of regular polygons.
I have split my polygon into four triangles. They are also a handy homework task to send home to give students extra practice with the topic. Divide 360 by the number of sides to figure out the size of each exterior angle in this unit of regular polygons pdf worksheets for 8th grade and high school students.