a=20 cmr=12,5P=?h=?c=2rc=25 cmb²+20²=25²b²=625-400b²=225b=15 cm
P=1/2*20*15P=150 cm²
h- ta odległość
h=ab/ch=20*15/25h=12 cm
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a=20 cm
r=12,5
P=?
h=?
c=2r
c=25 cm
b²+20²=25²
b²=625-400
b²=225
b=15 cm
P=1/2*20*15
P=150 cm²
h- ta odległość
h=ab/c
h=20*15/25
h=12 cm