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

Sam's take-home pay is $743. His deductions are $25 for OASDI, $5 for Medicare, and $27 for income tax. What is his gross pay? $686 $743 $800
Please help me I need
The order of amino acids is the ____ structure of proteins.​ a. stereo​ b. ​quaternary c. ​tertiary d. ​primary e. ​secondary
The distance measured from trough to trough or crest to crest of a wave is called the
In the early 1800s, Englishman Abraham Darby invented a quicker, easier way to produce cast iron. In the 1850s, British engineer Henry Bessemer developed the fi
What is considered part of a country’s infrastructure
Which of the following statements is TRUE about heart rate and exercise? A. It is best to exercise your heart as hard as possible. B. Maximum heart rate can be
What type of assets (or liabilities) more readily lend themselves to fair value measurements?
Confucianism was first favored by state officials during the ____________ dynasty. a. Han c. Tang b. Song d. none of the above
What is the mass of a 3.00cm3 piece of gold having a density of 19.3 g/cm3?