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ondreduty1789
03.12.2021 •
Mathematics
Helppp mee plssss tqvm
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Ответ:
I can't read it!!! cause it is not phillipine language heheh sorry
Ответ:
Step-by-step explanation:
AB = DC as opposite sides of rectangle.DE = AD as equal sides of isosceles triangleDE + EC = DC segment addition postulateNow substitute the values and find the length of EC:
EC = AB - ADEC = 4p + 3 - (3p - 1)EC = 4p + 3 - 3p + 1EC = p + 4Given p = 1
EC = 1 + 4 = 5 cmОтвет: