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20. Please help. What is the length of PD⎯⎯⎯⎯⎯⎯⎯⎯?

20. Please help. What is the length of PD⎯⎯⎯⎯⎯⎯⎯⎯?-example-1
User Shannon
by
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2 Answers

5 votes

Answer: PD = 6

Explanation:

PD = PB + AB = 12

When two secant lines intersect each other outside a circle, the products of their segments are equal. This is:

PB x PA = PD x PC

7 x 12 = PD x 14

PD = 7 x 12 / 14

PD = 6

User Ashish Chaturvedi
by
5.1k points
5 votes

Answer:

The correct answer is 6, so the first option.

User Tim Wijma
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5.1k points