AB and AD are tangent to circle C. Find the length of AB.
A. 39
B. 16
C. 3
D. 13
1 answer:
Answer:
B. 16
Step-by-step explanation:
Since AB and AD are tangent to circle C, they equal each other.
2x + 7 = 3x - 9 Make them equal each other
2x + 7 = 3x - 9 Subtract 2x from both sides
7 = x - 9 Add 9 to both sides
16 = x
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