The longest chord of a circle is 7.8 cm find its radius
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Answered by
25
Answer:
The longest chord of circle is the diameter if the diameter is 7.8 the radius will be 3.9
i.e when 7.8 ÷ 2= 3.9
Hope it helps you
Answered by
16
Answer:Its radius is 3.9
Step-by-step explanation:This is because the diameter of a circle is its longest chord.
Diameter = 2 × radius
Radius = Diameter ÷ 2
Radius = 7.8 ÷ 2 = 3.9
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