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	15	16	nw
CENTRE	17	17	w
CIRCUMFERENCE	11	11	nw
DIAMETER	16	16	w
PERIMETER	10	10	w
RADIUS	15	15	e
SECTOR	11	9	se
SEGMENT	11	9	nw
SEMICIRCLE	10	10	sw
TANGENT	5	10	ne