Question

me ajudem teorema de tales

Answer 1

a ) x/8 = 12/15

15x = 8 x 12

15x =96

x = 96/15

x =6,4
resposta
x = 6,4


b ) x+y/ y = 18+3,6/18

10,8/y = 21,6/18

21,6y = 18 x 10,8

21,6y = 194,4

y = 194,4/21,6

y =9

x = 10,8 - y

x = 10,8 - 9

x = 1,8

resposta

x = 1,8
y = 9