Question

If the radius of the circle is 5.2cm, then the length of the longest chord is _______ *
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Answer 1

Answer: 10 cm

Step-by-step explanation: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 2

Answer:

•longest chord means the diameter

•diameter is 2radius

d=2r

d=2x5.2 cm

d=10.4 cm

diameter is 10.4 cm