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Likformiga trianglar.
Trianglarna är likformiga.
Ändra skalan med glidaren.
Ändra formen på den vänstra.
Flytta och vrid på den högra.
Beräkna sidan c.
Sätt ett kryss i rutan "visa svar".
Upprepa övning tills du tröttnat.
/Lycka till