Pole trójkata jest równe 26 cm kwadratowe , a 1 bok ma 0 , 5 dm . Oblicz wysokosc tego trojkata
P = 26cm^2
a = 0,5dm = 5cm
P = 1/2 * a * h
26 = 1/2 * 5 * h
26 = 2,5 * h
h = 26 : 2,5
h = 26 : 5/2
h = 26 * 2/5
h = 52/5
h = 104/10
h = 10,4cm ----- odpwoiedź
P= 26
a=5cm
26= 5cm * h /2 |*2
52 = 5h | : 5
h= 10,4 cm
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P = 26cm^2
a = 0,5dm = 5cm
P = 1/2 * a * h
26 = 1/2 * 5 * h
26 = 2,5 * h
h = 26 : 2,5
h = 26 : 5/2
h = 26 * 2/5
h = 52/5
h = 104/10
h = 10,4cm ----- odpwoiedź
P= 26
a=5cm
26= 5cm * h /2 |*2
52 = 5h | : 5
h= 10,4 cm