marvintorres118
marvintorres118 marvintorres118
  • 11-10-2018
  • Mathematics
contestada

Please Answer The Following Questions.

Please Answer The Following Questions class=
Please Answer The Following Questions class=

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 10-01-2019

Answer:

4. 73

5. 40°

Step-by-step explanation:

The sum of the angles in a triangle is 180°. The sum of angles in a linear pair is 180°.

4. 45° +62° + k° = 180°

... 107 +k = 180 . . . . . collect terms, divide by °

... k = 180 -107 = 73 . . . . . subtract 107

_____

5. ∠STR = ∠SRT = 20°

... ∠STR +∠STU = 180°

... 20° + 4x = 180°

... 4x = 160° . . . . . . . . subtract 20°

... x = 40° . . . . . . . . . . divide by the coefficient of x

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