1 v r 120. Worksheet triangle sum and exterior angle theorem name.
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F 86 8 q p g 35 95.
Triangle exterior angle theorem worksheet. T s 120 4 r p 25 80. The exterior angle theorem worksheets this triangle worksheet will produce exterior angle theorem problems. Simply add the two non adjacent angles and you have found the measure of the exterior angle.
X x x 57 43 50 x 53 62 80 65 x 80 50 44 x title. Microsoft word worksheet triangle sum and exterior angle doc author. Triangle angle sum theorem triangle exterior angle theorem objectives state the triangle angle sum theorem and solve for an unknown angle in a triangle classify triangles based on measures of angles as well sides state the triangle exterior angle theorem and solve for an unknown exterior angle of a triangle triangle angle sum theorem the.
Triangle angle sum the exterior angle theorem triangles and congruence sss and sas congruence asa and aas congruence sss sas asa and aas congruences combined. E 95 6 u s j 110 80. 1 3 are simply numeric.
Free geometry worksheets created with infinite geometry. The exterior angle theorem date period find the measure of each angle indicated. Angles in a triangle worksheets contain a multitude of pdfs to find the interior and exterior angles with measures offered as whole numbers and algebraic expressions.
This worksheet is a great resource for the 5th 6th grade 7th grade and 8th grade. 10 15 require algebra for first solve for x and then find the missing angle measure. 21 1 22 2 23 3 24 4 25 5 26 6.
U v 65 3 u y 50 70. The exterior angle theorem states that an exterior angle of a triangle is equal to the sum of the two opposite interior angles. The following diagram shows the exterior angle theorem.
Find the measure of each angle. T 30 7 g t e 28 58. 50 u t 70 2 t p 115 50.
4 9 require algebra to solve for x. Learn to apply the angle sum property and the exterior angle theorem solve for x to determine the indicated interior and exterior angles. The exterior angle theorem says that an exterior angle of a triangle is equal to the sum of the 2 non adjacent interior angles.
In this activity students will use the triangle exterior angle theorem to solve problems. Test and worksheet generators for math teachers. You can choose a single variable or an algebraic expression for the unknown angle.
Exterior angles of a triangle worksheet 1 this angle worksheet features 12 different triangles all with one clearly identified exterior angle represented by x. R 130 solve. S t 105 5 d c t 140 45.
The measurements of the three interior angles are given. Taking our above example acd would equal whatever a b equaled because those are the two angles not connected to the exterior angle. All worksheets created.
An exterior angle of a triangle is formed by any side of a triangle and the extension of its adjacent side. Let s try two fairly basic examples and then try a few tougher ones. Printable in convenient pdf format.
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