tjuan142706
tjuan142706 tjuan142706
  • 12-05-2021
  • Mathematics
contestada

Use the exterior angle theorem to find the value of x in the triangle below.



A
x = 7

B
x = 5

C
x = 12

D
x = 15

Use the exterior angle theorem to find the value of x in the triangle below A x 7 B x 5 C x 12 D x 15 class=

Respuesta :

thebecks
thebecks thebecks
  • 12-05-2021

Answer:

A) x = 7

Step-by-step explanation:

7x + 1 + 7x + 6 + (180 - 15x) = 180

combine like terms:

-x + 187 = 180

subtract 187 form both side of the equation:

-x = -7

x = 7

Answer Link

Otras preguntas

Find the length of the third side. If necessary, write in simplest radical form. 5 5√3
Evaluate (123)3. Please help
As a result of being interned against their will most Japanese Americans lost interest in life and did very little in camps is this statement true or false
2 Fe + O2 + 3 Fe2O3 What type of reaction is this.
What is 2xy+7y-19x²y=2x simplified?
Horatius fought the Etruscans and lost. True False
Write a function t(I) that determines the number of toothpicks in any given level of the pyramid.
can u help with this, please
Solve for x: 3(x-4+1b)=8
a like goes through the point (-4,-6) and the point (10,1) write the equation of the line intercept form A.y=-2x+4 B.y=2x-4 C. y=1/2x-4 D.y=-1/2x-4