Question

Me ajudem pfvr!!!!
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Answer 1

Resposta:

a) x = 12 y = 18

b) x = 9 y = 6

Explicação passo a passo:

TEOREMA DE TALES

a) $\frac{x}{8} = \frac{30}{20}$ 20x = 240

x = 240/20 = 12

x + y = 30

12 + y = 30

y = 30 - 12 = 18

b) $\frac{x}{3} = \frac{15}{5}$ 5x = 45

x = 45/5 = 9

x + y = 15

9 + y = 15

y = 15 - 9 = 6