Question

The radius of circle is 3.5cm. Find the length of its longest chord

Answer 1

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given,
Radius = 3.5 cm
length of the longest chord (diameter) = 2 × 3.5
=7 cm

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Answer 2

Given,

The radius of the circle = 3.5 cm

To find,

The length of the longest chord of the circle.

Solution,

The length of the longest chord of the circle will be 7 cm.

We can easily solve this problem by following the given steps.

We know that a chord is a straight line joining two points on the circumference of the circle. And the longest chord of the circle is its diameter.

The diameter of the circle is twice that of its radius.

According to the question,

Radius = 3.5 cm

Diameter = 2×radius

Diameter = (2×3.5) cm

Diameter of the circle = 7 cm

Hence, the length of the longest chord of the circle is 7 cm.