popcornseeds popcornseeds
  • 11-12-2020
  • Mathematics
contestada

find the length of x



please thank you

find the length of x please thank you class=

Respuesta :

jimrgrant1 jimrgrant1
  • 11-12-2020

Answer:

x = 5

Step-by-step explanation:

The small right triangle and the outer right triangle are similar, thus ratios of corresponding sides are equal, that is

[tex]\frac{3.5}{7}[/tex] = [tex]\frac{2.5}{x}[/tex] ( cross- multiply )

3.5x = 17.5 ( divide both sides by 3.5 )

x = 5

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