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	16	nw
CENTRE	5	17	e
CIRCUMFERENCE	11	11	ne
DIAMETER	6	16	e
PERIMETER	12	10	w
RADIUS	7	15	nw
SECTOR	13	11	se
SEGMENT	13	11	s
SEMICIRCLE	12	10	nw
TANGENT	7	10	nw