dramallo561 dramallo561

08-01-2021
Mathematics

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DE is a Mid-segment of triangle ABC. How long is DE?

DE is a Midsegment of triangle ABC How long is DE class=

Respuesta :

Hrishii Hrishii

08-01-2021

Answer:

DE = 14

Step-by-step explanation:

Since, DE is a Mid-segment of triangle ABC.

Therefore,

DE = 1/2 * AC

2 DE = AC

2(5x - 1) = 3x + 19

10x - 2 = 3x + 19

10x - 3x = 19 +2

7x = 21

x = 21/7

x = 3

DE = 5x - 1

DE = 5*3 - 1

DE = 15 - 1

DE = 14

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