ihatelifesomuxh
ihatelifesomuxh ihatelifesomuxh
  • 02-12-2020
  • Mathematics
contestada

U
(3x -9)
30°
240
w
What is the value of x?
1.
21
2.
39
3
45
4
126

U 3x 9 30 240 w What is the value of x 1 21 2 39 3 45 4 126 class=

Respuesta :

tasni109
tasni109 tasni109
  • 02-12-2020

Answer:

option 3, 45

Step-by-step explanation:

3x - 9° + 30° + 24° = 180° (angle sum property of a triangle)

3x - 9° + 54° = 180°

3x + 45° = 180°

3x = 180° - 45°

3x = 135°

x = 135/3

x = 45°

therefore, option 3 is the correct option

Answer Link

Otras preguntas

what is tape made out of?
please help me with 6
Inertia is the resistance to change in motion so inertia depends solely on what
Why do doctors recommend that people get a flu shot each new flu season? The flu virus becomes immune to the vaccine The vaccine wears out over time? The flu vi
how may threes go into 70
Golgi bodies are organelles that process and package macromolecules, such as proteins and lipids, for export out of the cell. Given this information, which of t
divide the fractions and simplify the answer 60 / 2 2/3
why did Khrushchev denounce the crimes of the stalin era in 1956
what problems did northerns have with the fugitive slave act
2. When lithium reacts with bromine to form the compound LiBr,each lithium atom1) gains one electron and becomes a negatively charged ion2) gains three electron