Interior and exterior angles add up to 180 degree. ð a and ð b 5 20.
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Interior and exterior angles worksheet pdf answers. Exterior angles of a triangle worksheet 3 you ll need to use all of your knowledge about exterior and interior angles for this 12 problem angle worksheet. Exteriorangles of a triangle worksheet 2 pdf view answers. Sometimes you ll need to use the exterior angle to find the interior angle and vice versa.
5 5 the measure of an exterior angle of a triangle is equal to sum of the measures of opposite interior angles. 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. Having the ability to rearrange equations will help with interior and exterior angle questions.
Some of the worksheets for this concept are 6 polygons and angles sum of angles in polygons work answer key polygons quadrilaterals and special parallelograms sum of polygons angles in polygon 1 interior angle 1 relationship between exterior and remote interior angles interior and exterior angles. Interior and exterior angles. This free worksheet caters to the students of grade 8 and grade 9.
Find the measure of each angle. The sheets can be used for work in class or as a homework. 2 worksheet by kuta software llc kuta software infinite geometry name the exterior angle theorem date period.
The interior angles of a shape are the angles inside the shape. These 2 tutorials and 2 worksheets can be used to develop formulae that connect the number of sides interior angle and exterior angle of a regular polygon the sum of interior and exterior angles in any polygon. Scroll down the pdf for the answer key.
21 1 22 2 23 3 24 4 25 5 26 6 3 4 6 5 2 1 68 90 122 x 6x 7 103 x 2x x 56 x x x 57 43 50 x 53 62 80 65 x 80 50 44 x title. Apply the supplementary property of the same side exterior angles and the congruent property of alternate exterior angles to find the measure of the indicated angle. I love these sheets because the questions allow students to get involved in good healthy mathematical discussion.
The exterior angles are the angles formed between a side length and an extension. The sum of the exterior angles at each vertex of a polygon measures 360 o. These two worksheets require students to think how to use their knowledge of interior and exterior angles in polygons.
Interior angles in polygons displaying top 8 worksheets found for this concept. Microsoft word worksheet triangle sum and exterior angle doc author. Exterior angle of regular polygons.
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