Question

The watermark is a cord located 0.7cm from the center of a circular ring that has a 2.5 cm radius.what is the length of the chord to the nearest tenth?

Answer 1

You need to use the Pythagorean Theorem

X^2 + 0.7^2 = 2.5 ^2
X^2 = 2.5^2 - 0.7^2
X= √ 5.76
X= 2.4
2.4 × 2 = 4.8

Answer: 4.8