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Discover the different types of triangles and find out the difference between an equilateral, scalene, isosceles and right-angled triangle in this KS2 guide.
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All circles have a circumference, diameter and radius. They...
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An isosceles trapezium has: One pair of unequal parallel...
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Isosceles triangle. two sides are of equal length; two angles are equal (called the base angles)
An isosceles trapezium has: One pair of unequal parallel sides. Two non-parallel equal sides. Two pairs of adjacent equal angles. Diagonals that are equal in length. One line of symmetry.
Isosceles triangle - Isosceles triangles have 2 equal sides and 2 equal angles. Scalene triangle - Scalene triangles have no equal sides and no equal angles. There are opportunities throughout this lesson for children to explore the properties of triangles using angle strips and circular peg boards.
Hexagon shape. Irregular polygon. Triangles. Types of quadrilaterals examples. Example 1: square or rectangle. Correctly classify the following quadrilateral. Determine the size of the angles/side lengths within the quadrilateral.
An isosceles trapezoid’s interior angles add up to 360 degrees. The non-parallel sides of an isosceles trapezoid are congruent. The median runs parallel to both bases, and its length is equal to the sum of the bases’ lengths. “Trapezium” is another name for a trapezoid.
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Are the parallel sides of an isosceles trapezoid equal?
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Are isosceles trapezoids congruent?
Which triangle has 3 equal sides and 3 equal angles?
What angle is a right angled triangle?
A triangle has three sides and three angles. The three angles always add to 180°. Equilateral, Isosceles and Scalene. There are three special names given to triangles that tell how many sides (or angles) are equal. There can be 3, 2 or no equal sides/angles: How to remember? Alphabetically they go 3, 2, none: