circle, a round shape made of points the same distance from the centre, center, the point in the middle of a circle, radius, a line segment from the center to the circumference, diameter, a line segment through the center with both ends on the circumference, circumference, the boundary or edge around a circle, chord, a line segment joining two points on a circumference, arc, a curved part of a circumference, semicircle, half of a circle, quarter circle, one fourth of a circle, compass, a tool used to draw circles and arcs, line of symmetry, a line that divides a figure into two matching halves, symmetric figure, a figure that can be divided into matching halves, line segment, a straight part of a line with two endpoints, perimeter, the total distance around the outside of a shape, identical, exactly the same in size and shape, area, the amount of space inside a two-dimensional shape, square unit, a square with side length 1 unit, used to measure area, shaded region, the coloured or shaded part of a figure, overlap, to partly cover the same area, locate, to find or mark the position of something, replicate, to copy something so that it looks the same

Unit 2 Circles

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