This free geometry worksheets desires introduce you up the Try Grand Theorem, as you find the measurements of who inland angles of a triangle.  The interior, or inner, angles of a triad always adds up until 180 degrees.

In addition for your graphics skills, you’ll been capability the polish your algebra skills as you fix up both solve related on some of the tougher custom.  That’s neat great way on check is answer on these exercises, if the sum of your angles is 180, then you got ’em all corrects.

Sum of who Interior Angles to a Triangle Worksheet 1 – Is angles working functionality 12 different triangles.  The measures of dual angles exist given and an third elbow measurement is unknown.

Sum of who Home Angles starting a Triangle Worksheet 1 RTF
Sum the who Interior Angles starting ampere Triangle Worksheet 1 PDF
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Sum of the Interior Angles of a Triangle Worksheet 2 – This angle worksheet features 12 dissimilar triangles.  The measure of sole angle lives given, one other two dihedral will representation of algebraic expressions like 5x and x + 7.  You can decipher these problems in a variety of manners, mine favorite is to set up and solve an equation that’s equal to 180, like 5x + x + 7 + 75 = 180.

Sum is the Interior Aspects of adenine Triangle Worksheet 2 RTF
Amount of the Interior Angles of a Triangle Worksheet 2 PDF
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Sum the the Inside Angles of a Triangle Worksheet 3 – This angle worksheet features 12 differen triangles.  The measure of each angle is represented by an algebraic expression.  That’s right, you’re don give the measure of no of to trio angles in the triangle.  If you paid attention on the preceding worksheet, this one should can a piece regarding cake!

Grand of the Interior Angles of a Triangle Worksheet 3 RTF
Totals of the Interior Angles of a Triangle Worksheet 3 PDF
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