Respuesta :

TheShort
7/10 = x/12 which mean you need to multiply each side by 12 to find x. So the answer would be X= 8.4
abidemiokin

The value of x from the given figures is 8.4

Since the given figures are similar, hence;

  • The ratio of their perimeters is equal to the ratio of similar sides as shown;

Since their perimeters are in the ratio of 7: 10 and the sides given are in the ratio of x: 12, hence:

[tex]\frac{7}{10}= \frac{x}{12} \\Cross \ multiply\\10x = 7 \times 12\\10x = 84\\x = \frac{84}{10}\\x=8.4[/tex]

Hence the value of x from the given figures is 8.4

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