What is the measure of the secant DE?

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asked Oct 6, 2019 179k views

1 Answer

Steverino · Answer 1 · 2019-10-11T02:57:35+0000

using the formula (AB +BC) *BC = (DE +CD) *CD

fill i n what is known:

(17 + 4) *4 = (DE +6) *6

21*4 = (DE +6)*6

84 = (DE+6)*6

84/6 = DE+6

14 = DE +6

DE = 14-6
DE = 8

What is the measure of the secant DE?

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