Wyznacz x
.............................................
3² + 4² = c²
c² = 9 + 16
c² = 25
c =5 --------- przeciwprostokątna
P = 1/2 * 3 * 4 = 6cm² -------- pole trójkata
P = 1/2 * c * h
6 = 1/2 * 5 * h
12 = 5 * h
h = 12/5
h = 2,4cm
h² + x² = 3²
x² = 9 - 2,4²
x² = 9 - 5,76
x² = 3,24
x = 1,8cm ----------- odpowiedź
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3² + 4² = c²
c² = 9 + 16
c² = 25
c =5 --------- przeciwprostokątna
P = 1/2 * 3 * 4 = 6cm² -------- pole trójkata
P = 1/2 * c * h
6 = 1/2 * 5 * h
12 = 5 * h
h = 12/5
h = 2,4cm
h² + x² = 3²
x² = 9 - 2,4²
x² = 9 - 5,76
x² = 3,24
x = 1,8cm ----------- odpowiedź