3a | a | ||
= | ⇔ 3h = y ⇔ 9h2 = y2 ⇔ 9xy = y2 ⇔ 9x = y □ ![]() | ||
y | h |
3a | ||
ΔADC ∼ΔDBC z cechy (kkk) w skali k= | =3 | |
a |
PDBC | ||
to | =k2 | |
PADC |
0,5y*h | ||
=9 ⇒ y=9x | ||
0,5x*h |
h | a | |||
tg B= | = | |||
y | 3a |
h | 3a | |||
tg A= | = | |||
x | a |
y | |
=3x | |
3 |
5^2 | 52 |
2^{10} | 210 |
a_2 | a2 |
a_{25} | a25 |
p{2} | √2 |
p{81} | √81 |
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