Question

Determinati masurile unghiurilor unui patrulater convex,stiind ca acestea sunt invers proportionale cu nr 0,(3) 0,25 0,125 0,(1)

Answer 1

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Answer 2

0.(3) = 3/9 = 1/3

0.25 = 25/100 = 1/4

0.125 = 125/1000 = 1/8

0.(1) = 1/9

A + B + C + D = 360

A/3 = B/4 = C/8 = D/9 = k

k = (A + B + C + D)/(3 + 4 + 8 + 9) = 360/24 = 15

A/3 = K => A = 3K = 3*15 = 45°

B/4 = K => B = 4K = 4*15 = 60°

C/8 = K => C = 8K = 8*15 = 120°

D/9 = K => D = 9K = 9*15 = 135°