Jaký je obvod lichoběžníku, ve kterém znáš: \( a_1=2 \) cm, \( a2 = 2 \) cm, \( a_3=1 \) cm, \( c = 2 \) cm a výškou \( v = 2 \) cm? Výsledek převeď do co nejjednoduššího tvaru.
Hint
Hint
Vypočítáš délky obou ramen lichoběžníku. Potom sečteš všechny jeho strany a dostaneš obvod lichoběžníku.
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