olivia4428 olivia4428
  • 03-03-2019
  • Mathematics
contestada

can someone please help me with this?? i don’t know how to do it

can someone please help me with this i dont know how to do it class=

Respuesta :

wolf1728
wolf1728 wolf1728
  • 03-03-2019

Answer:

It states that Angle A = 3x   B = 3x + 10 and C = 4x -30

We know that A + B + C = 180

Therefore 3x + 3x + 10 + 4x -30 = 180

10x -20 = 180

10x = 200

Therefore, x = 20

Angle C is 4x -30  

= 4 * 20 -30

Angle C = 50

Answer is D

Step-by-step explanation:

Answer Link
ineedhelpetc
ineedhelpetc ineedhelpetc
  • 03-03-2019
Answer is D thanks !!!
Answer Link

Otras preguntas

What is the first step a supervisor should take in response to a harassment complaint?
Complete the following analogy Popcorn: movie as____: baseball A: Apple B: pretzel C: peanut D: potato chips
PLEASE ANSWER ASAP will give brainiest answer
Identify the word or phrase that the underlined appositive phrase renames. astronomy William Mitchell Maria Mitchell a child
The width of a rectangle is 3 inches less than its length. The area of the rectangle is 340 square inches. What are the length and width of the rectangle?
Name the complex mncl2(en)2. the oxidation number of manganese is +2.
Find the perimeter and area of the polygon enclosed by points
PLEASE HELP ME 45 POINTS Discuss, in 2-3 paragraphs, how two highly infectious viral diseases have been controlled or eradicated.
Describe one situation in which you sought guidance from the Lord and He guided you. Describe the circumstances, how you responded and what God did. What were t
At a carnival, the probability that you chose a winning rubber duck from 50 ducks is 0.20. How many are not winning ducks?