3 years ago

Solve for x. Assume that lines which appear tangent are tangent. X=

Mathematics

2 answers:

Amiraneli [1.4K]3 years ago

8 0

Answer:

Step-by-step explanation:

tangent-secant theorem

Orlov [11]3 years ago

5 0

Answer:

x = 32

Step-by-step explanation:

(whole secant) x (external part) = (tangent)^2

(x+18) * 18 = 30^2

(x+18) * 18 = 900

Divide each side by 18

(x+18) * 18/18 = 900/18

(x+18) = 50

Subtract 18 from each side

x+18-18 = 50-18

x=32

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