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What is the measure of secant DE?

What is the measure of secant DE?
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What is the measure of secant DE?

What is the measure of secant DE?-example-1
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User OutstandingBill
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8.0k points

1 Answer

1 vote

Answer:


ED=32\ units

Explanation:

we know that

Applying the Intersecting Secant Theorem


AC*BC=EC*DC

substitute the values


(16+5)*(5)=(ED+3)*(3)

Solve for ED


(21)*(5)=(ED+3)*(3)


35=(ED+3)


ED=35-3=32\ units

answered
User Tjstankus
by
7.3k points
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