4cm * x/2 = 6cm^2
4x = 12
x = 3
Czym jest "x"? Wysokoscia/bokiem trojkata prostokatnego.
(bok)
3cm + 7cm = 10cm (podstawa)
2 * 5cm + 2 * 10cm = 30cm
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4cm * x/2 = 6cm^2
4x = 12
x = 3
Czym jest "x"? Wysokoscia/bokiem trojkata prostokatnego.
(bok)
3cm + 7cm = 10cm (podstawa)
2 * 5cm + 2 * 10cm = 30cm