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Calculate the distance from E to A.

Mathematics

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Answer

13m\text{}13m\text{}

Step-by-step solution

3 steps

Ili kukokotoa umbali kutoka E hadi A, tutatumia Theorem ya Pythagoras. Kwanza, tutapata jumla ya umbali wa mlalo na wima kati ya pointi hizo.

  1. Kokotoa jumla ya umbali wa mlalo (horizontal distance) kutoka A hadi E.

    Umbali wa mlalo kutoka A hadi B ni 7m7m.
    Umbali wa mlalo kutoka C hadi D ni 5m5m.
    Jumla ya umbali wa mlalo ni:

    7m+5m=12m7m + 5m = 12m
  2. Kokotoa jumla ya umbali wa wima (vertical distance) kutoka A hadi E.

    Umbali wa wima kutoka B hadi C ni 8m8m.
    Umbali wa wima kutoka D hadi E ni 3m3m.
    Kwa kuwa E iko juu ya D, na C iko chini ya B, umbali halisi wa wima kati ya A na E ni tofauti ya umbali huu:

    8m−3m=5m8m - 3m = 5m
  3. Tumia Theorem ya Pythagoras.

    Sasa tuna pembetatu ya kulia (right-angled triangle) yenye miguu miwili ya 12m12m (mlalo) na 5m5m (wima). Umbali AE ni hypotenuse.
    Kulingana na Theorem ya Pythagoras, a2+b2=c2a^2 + b^2 = c^2:

    AE2=(12m)2+(5m)2AE^2 = (12m)^2 + (5m)^2 AE2=144m2+25m2AE^2 = 144m^2 + 25m^2 AE2=169m2AE^2 = 169m^2 AE=169m2AE = \sqrt{169m^2} AE=13mAE = 13m

    Umbali kutoka E hadi A ni:

    13m\text{}13m\text{}
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