[list][*]opisati pravokutnik[/*][*]imenovati vrhove, stranice i kutove pravokutnika[/*][*]imenovati nasuprotne stranice i vrhove pravokutnika[/*][*]nacrtati i opisati dijagonale pravokutnika[/*][*]nacrtati pravokutnik. ​[/*][/list][br][br]

[b][size=100][size=150]Geometrijski lik je dio ravnine omeđen dužinama ili zakrivljenim crtama, koje se ne sijeku.[br][/size][/size][/b][br][br]

[b][size=150]Četverokut je dio ravnine omeđen četirima dužinama, uključujući i točke koje pripadaju tim dužinama.[/size][/b]

[size=200][b][color=#1e84cc]Upoznajmo pravokutnik.[/color][/b][/size]

Pravokutnik je geometrijski lik u ravnini. [br][img]data:image/png;base64,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[/img][br][color=#1e84cc][b][b]Pravokutnik je četverokut kojemu su svi kutovi pravi. [/b][br][br]Točke A, B, C i D su VRHOVI PRAVOKUTNIKA. [br][br]Duljine AB, BC, CD i AD su STRANICE PRAVOKUTNIKA. [br][br]Duljine stranica pravokutnika označujemo malim (pisanim) slovom.[/b][/color]

[size=150][b][color=#1e84cc]Vrhovi pravokutnika koji pripadaju istoj stranici nazivaju se susjedni vrhovi,[br]a oni koji ne pripadaju istoj stranici nazivaju se nasuprotni vrhovi.[br][br]Vrhovi A i B su susjedni vrhovi, vrhovi A i C su nasuprotni vrhovi. [br][br]Nasuprotne stranice pravokutnika jednakih su duljina.[br][br]Nasuprotne stranice pravokutnika su paralelne.[br]     [br]AB ∥ CD     i     AD ∥ BC[/color][/b][/size]

[size=150][b][color=#1e84cc]Stranice pravokutnika koje dijele zajednički vrh nazivaju  se susjedne stranice. [br][br]Susjedne stranice pravokutnika međusobno su okomite.[br][br] |AB| ⊥ |BC|[br][br]Stranice koje nemaju zajednički vrh su nasuprotne stranice pravokutnika.[/color][/b][/size]

Površina geometrijskog lika jednaka je broju jediničnih kvadrata kojima se taj lik može prekriti.[br]

Pred tobom se nalazi djelo Piet Mondriana. On je bio poznati svjetski slikar čiji su radovi prepoznati po igri pravokutnika, osnovnih boja i crne kao rubne boje. [br]Promotri sliku i odgovori na pitanja.

Pred tobom se nalazi kompozicija geometrijskih likova.[br]Odredi duljinu stranica pojedinih geometrijskih likova i odgovori na pitanja.