elephantlover1288 elephantlover1288

22-01-2021
Mathematics

contestada

please help and show work

please help and show work class=

Respuesta :

ChoiSungHyun ChoiSungHyun

22-01-2021

Step-by-step explanation:

Since PT = 2PM and AR = 2AD,

The midsegment MD must be the average of PA and TR:

Therefore we have

2(20x + 4) = 10 + (34x + 16)

=> 40x + 8 = 34x + 26

=> 6x = 18

=> x = 3

Hence length of MD

= 40(3) + 8 = 128.

Answer Link

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