alisonnardella alisonnardella

04-05-2021
Mathematics

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AB is tangent to circle at B. Find x.

AB is tangent to circle at B Find x class=

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thebecks thebecks

04-05-2021

Answer:

x = 6

Step-by-step explanation:

using the Pythagorean theorem:

(4 + x)² = 8² + x²

16 + 8x + x² = 64 + x²

subtract x² and 16 from each side of the equation:

8x = 48

divide both sides by 8:

x = 6

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