Question

Find the value of x, rounded to the nearest tenth.
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Answer 1

The answer The answer is 18

Answer 2

x = 18

Explanation:

Given two intersecting chords inside a circle, then the product of the parts of one chord is equal to the product of the parts of the other chord, that is

7x = 21 × 6 = 126 ( divide both sides by 7 )

x = 18