Square
A Square is a flat shape with 4 equal sides and every angle is a right angle (90°)
* All sides are equal in length
*Each internal angle is 90°
*Opposite sides are parallel (so it is a Parallelogram).
Triangles
All triangles have 3 sides and 3 angles which always add up to 180°.
* A triangle has three sides and three angles
*The three angles always add to 180°
Rectangle
A rectangle is a four-sided flat shape where every angle is a right angle (90°).
*Each internal angle is 90°
* Opposite sides are paraller and of equal length (so it is a parellelogram).
Circle
Circle is the locus of points equidistant from a given point, the center of the circle. The common distance from the center of the circle to its points is calledradius.Thus a circle is completely defined by its center (O) and radius (R):
Questions, Tests, Activities
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