A chord of length 4.2cm is 2.8cm from the center of a circle. Calculate the length of the radius of the circle.

Einpoklum asked Jul 21, 2023

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Einpoklum asked Jul 21, 2023

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15 votes

Answer:

3.5 cm

Explanation:

Radius of circle = √(Distance from chord)² + (Half chord length)²

= √(2.8)² + (2.1)²

= √7.84 + 4.41

= √12.25

= 3.5 cm

Marc Schmitt answered Jul 27, 2023

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