What is the measure of longest chord of a circle if radius of a circle is 'r'cm?
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Answer:
A circle’s longest chord is its diameter.
A circle’s diameter is twice its radius (ie, d = 2 x r)
So the longest chord of a 5 cm radius circle is 2 x 5cm, ie, 10 cm
ANSWER: 10 cm
Answered by
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Answer:
From one endpoint of the chord, say A, draw a line segment through the centre. That is, draw a diameter.
Now draw a radius from centre O to B.
Step-by-step explanation:
AB < AO + OB
= r + r
= 2r
= d
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