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

What is the measure of the secant DE?-example-1
User Erikprice
by
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1 Answer

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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
User Steverino
by
8.3k points
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