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3 years ago

Anyone know the answer please

Mathematics

2 answers:

Cloud [144]3 years ago

7 0

Answer:

11.5 units

Step-by-step explanation:

Since the radius is perpendicular to the tangent C, BC is perpendicular to AB

So using the Pythagorean Theorem,

x^2 = (9 + x)^2 - 15^2

x^2 = 81 + 18x + x^2 - 225

18x = 225 - 18

= 207/18

= 11.5 units

Hope this helps, and please mark me brainliest if it does!

Alex3 years ago

4 0

Answer:

As radius is perpendicular to tanget ,

BC is perpendicular to AB

By pythagoras theorem:

x² = (9 + x)² - 15²

x² = 81 + 18x + x² - 225

18x = 225 - 18

x = 207/18 = 11.5

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