Annalisef2007
Annalisef2007 Annalisef2007
  • 02-03-2021
  • Mathematics
contestada

please help this is the last question and i don’t understand

please help this is the last question and i dont understand class=

Respuesta :

Podetola
Podetola Podetola
  • 02-03-2021

Answer: 30

Step-by-step explanation:

The angles of triangles have to add up to 180°

So:

x + x + 70 + x + 20 = 180

Bring like terms together

x + x + x + 70 + 20 = 180

3x + 90 = 180

Subtract 90 from both sides

3x = 90

Divide both sides by 3

x = 30

Answer Link

Otras preguntas

How fast do different parts of the em spectrum travel in a vacuum
What produces and assembles proteins?
Where in the body are blood vessels and nerve endings found
The fought a guerrilla war to gain control of South Vietnam.
How does the hormone secretin help in digestion? It inhibits movement of food and reduces appetite. It stimulates the pancreas and the liver to produce secret
What is the nth term of the arithmetic sequence? 7, 5, 3, 1, … a. –2n b. 7 – 2n c. 9 – 2n d. n – 2
What is produced when there is a current in the primary coil of a transformer?
what kind of reasoning was use in the development in evolutionary theory
what is one way water routes affect where people build communities?
What is the surface area of a sphere with a radius of 3 centimeters?