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03-03-2022
Mathematics

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

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Аноним Аноним

03-03-2022

Answer:

3.5 cm

Step-by-step 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

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