(a) Name a diameter: OP (b) Name a radius: NM (c) Name a chord: LQ (d) If the length of OP is 8 units,what is the length of NM? units
Question
(a) Name a diameter: OP (b) Name a radius: NM (c) Name a chord: LQ (d) If the length of OP is 8 units,what is the length of NM? units
Solution
(a) A diameter is a straight line passing from side to side through the center of a body or figure, especially a circle or sphere. In this case, OP is the diameter.
(b) A radius is a straight line from the center to the circumference of a circle or sphere. In this case, NM is the radius.
(c) A chord is a straight line connecting the ends of an arc. In this case, LQ is the chord.
(d) The length of a radius is always half the length of the diameter in a circle. Therefore, if the length of OP (the diameter) is 8 units, the length of NM (the radius) would be half of that, which is 4 units.
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