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In triunghiul dreptunghic ABC, m(A)=90 de grade, AD perpedincular cu BC, D apartine lui (BC): b)AC=24 cm si BC = 40 cm. Calculati CD=? , BD=? AB=?

Răspuns :

t. catetei in triunghiul ABC ACpatrat=CDxBC, CD=ACpatrat/BC=24x24/40=72/5 BD=BC-CD=40-72/5=128/5 ABpatrat=BDxBC, ABpatrat=128x40/5=128x8, AB=32