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### Grade 5 - Mathematics7.4 Recognizing the Type of a Triangle

 Polygons that have three corners or vertices and three sides or edges which are straight line segments are called Triangles. Triangles can be classified as: Equilateral Triangle: A triangles in which all the 3 sides are equal. Isosceles Triangle: A triangle in which 2 sides are equal. Scalene Triangle: A triangle in which no side is equal. Equiangular Triangle: A triangle in which all angles are equal. Acute angle Triangle: A triangle in which all angles are acute. Obtuse angle Triangle: A triangle in which one angle is an obtuse angle. Right angle Triangle: A triangle in which one angle is 90 degrees. Oblique Triangle: A triangle has only angles that are smaller or larger than 90°. It is therefore any triangle that is not a right triangle. Directions: Answer the following. Draw all the above kinds of triangles and show all the properties.

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### Grade 5 - Mathematics7.4 Recognizing the Type of a Triangle

 Q 1: Polygons that have 3 sides are calledTrianglesRectanglesSquare Q 2: A triangle with 2 sides of equal length is calledequilateral trianglescalene triangleisosceles triangle Q 3: A triangle with all sides equal is calledisosceles trianglescalene trianglean equilateral triangle Q 4: A triangle with one angle 90 degrees is calledobtuse triangleright triangleacute triangle Q 5: A triangle with no sides of equal length is calledscalene triangleisosceles triangleequilateral triangle Q 6: A triangle with all angles equal is calledobtuse triangleequiangular triangleacute triangle Question 7: This question is available to subscribers only! Question 8: This question is available to subscribers only!