Răspunsuri

  • Utilizator Brainly
2014-02-25T14:39:02+02:00
MC=9 cm ⇒ BM=16 cm.
AM²=AB²+BM²=144+256=400 ⇒ AM=20 cm.
MD²=MC²+CD²=81+144=225 ⇒ MD=15 cm.
Ca ,AMD sa fie 90 grade trebuie ca AD² sa fie egal cu MD²+AM²;
verificam: 625=225+400, conditie indeplinita, AD ipotenuza in ΔAMD, <AMD=90 grade.
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