Parts of a circle

ARC
CENTRE
CIRCUMFERENCE
DIAMETER
PERIMETER
RADIUS
SECTOR
SEGMENT
SEMICIRCLE
TANGENT

Find the words for; The mid-point of a circle, the perimeter, the distance across (through the middle), a line that touches the outside of a circle once, half the distance across, half a circle. Also find; arc, segment, sector, tangent.

Try to find all 10 words on this board.

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Answer Key for Parts of a circle

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Word	X	Y	Direction
ARC	7	6	se
CENTRE	5	5	e
CIRCUMFERENCE	11	11	se
DIAMETER	6	6	e
PERIMETER	12	12	sw
RADIUS	7	7	sw
SECTOR	13	12	e
SEGMENT	13	12	ne
SEMICIRCLE	12	12	w
TANGENT	7	17	e