4) 7.8 cm is the longest chord in a circle. Find radius of the circle
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Answered by
10
Answer:
longest chord of circle is diameter of circle
d=2×r
7.8 =2×r
r= 3.9
that's is your answer
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5
The largest chord of the circle is the diameter which is twice the radius
= 7.8 ÷ 2
= 3.9 cm
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