AIR MATH

Math Question

A jewerly company prints a hidden watermark on the logo of all its official documents. The watermark is a chord located \( 0.7 \mathrm{~cm} \). from the center of a circular ring that has a \( 2.5 \mathrm{~cm} \). radius. What is the length of the chord to the nearest tenth?
(A) \( 4.7 \mathrm{~cm} \).
(B) \( 4.8 \mathrm{~cm} \).
(C) \( 5.2 \mathrm{~cm} \).
(D) \( 7.8 \mathrm{~cm} \).

Solution

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