jwsunshine0 jwsunshine0
  • 25-01-2018
  • Mathematics
contestada

value for x and m<1 and m<2

value for x and mlt1 and mlt2 class=

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 10-04-2019

Answer:

x = 18

∠1 = 140°

∠2 = 40°

Step-by-step explanation:

When the horizontal lines are parallel, angles 1 and 2 are supplementary, so ...

(7x +14) + (2x +4) = 180

9x + 18 = 180 . . . . . . . . . . . . collect terms

x + 2 = 20 . . . . . . . . . . . . . . . divide by 9

x = 18 . . . . . . . . . . . . . . . . . . subtract 2

Then the value of angle 2 is ...

∠2 = 2·18 +4 = 40

so ∠1 is 180 - 40 = 140

The values of x, ∠1 and ∠2 are 18, 140°, and 40°, respectively.

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