What Are Equilateral and Isosceles Triangles? When it comes to angles of triangles: acute (all angles are acute), right (one right angle), obtuse (one obtuse angle), and equiangulars (you guessed it have all equal angles). If all sides are equal it is called equilateral. The Isosceles Triangle Theorem tells us that if you have an isosceles triangle the angles opposite the congruent sides are also congruent. If two sides of a triangle are congruent that are considered the same in all respects. If the length of two sides of the triangle are equal it is called isosceles. If all the lengths of their sides are different it is scalene. This worksheet is a great resource for the 5th, 6th Grade, 7th Grade, and 8th Grade.Triangles are often classified by either their number of sides or the measures of their angles. This Triangle Worksheet will produce problems where you find the centroid from a the vertices of a triangle. This worksheet is a great resource for the 5th, 6th Grade, 7th Grade, and 8th Grade.įind the Centroid from Vertices Worksheets This Triangle Worksheet will produce problems to calculate the centroid from a graph. This worksheet is a great resource for the 5th, 6th Grade, 7th Grade, and 8th Grade.įind the Centroid from a Graph Worksheets You may select the problem types to be integers, decimals, or algebraic expression. This Triangle Worksheet will produce median problems. This worksheet is a great resource for the 5th, 6th Grade, 7th Grade, and 8th Grade. This Triangle Worksheet will produce angle bisector problems. You can choose a single variable or an algebraic expression for the unknown angle. This Triangle Worksheet will produce exterior angle theorem problems. You can choose between interior and exterior angles, as well as an algebraic expression for the unknown angle. This Triangle Worksheet will produce triangle angle sum problems. This Triangle Worksheet will produce triangle side inequality problems. Triangle Inequalities of Sides Worksheets This Triangle Worksheet will produce triangle angle inequality problems. Triangle Inequalities of Angles Worksheets You can choose between whole numbers or decimal numbers for this worksheet. This Triangle Worksheet will produce triangle inequality theorem problems. This worksheet is a great resources for the 5th, 6th Grade, 7th Grade, and 8th Grade. This Triangle Worksheet will produce nine problems for solving the area and perimeter of different types of triangles. This worksheet is a great resources for the 5th, 6th Grade, 7th Grade, and 8th Grade.Īrea and Perimeter of Triangles Worksheets You may select equilateral, right scalene, right isosceles, obtuse scalene, obtuse isosceles, acute scalene and acute isosceles. This Triangle Worksheet will produce twelve problems for identifying different types of triangles. This Triangle Worksheet will produce a useful definitions, facts and formulas handout for the students. Detailed Description for All Triangle Worksheets
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