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Mmariaenache
a fost răspuns

Determina unghiurile unit patrulater convex, stiind ca acestea sunt direct proportionale cute 3,4,5,6

Răspuns :

Renatemambouko
a=3k       k=constanta
b=4k
c=5k
d=6k
a+b+c+d=360⁰
3k+4k+5k+6k=360
18k=360⁰
k=20⁰
a=3k=3*20⁰=60⁰
b=4k=4*20⁰=80⁰
c=5k=5*20⁰=100⁰
d=6k=6*20⁰=120⁰