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URGENT! DAU COROANA ! EX 9! REPEDE DAU 30PCT
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URGENT DAU COROANA EX 9 REPEDE DAU 30PCT class=

Răspuns :

Iakabcristina2
B=2A => A=B/2
C=D=3B/8
A+B+C+D=360°
B/2 + B + 3B/8 + 3B/8 = 360°
Numitor comun 8
4B+8B+6B=360°•8
18B=360°•8
B=(360°•8)/18=160°
A=160°/2=80°
C=D=(3•160°)/8=60°

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