samsamyu72
samsamyu72 samsamyu72
  • 26-02-2022
  • Mathematics
contestada

the angles of a triangle are(x+10), (x+40) and (2x-30). Find the measure of all angles and name the type of triangle​

Respuesta :

Madking30
Madking30 Madking30
  • 26-02-2022

Answer:

x=40

Step-by-step explanation:

(x+10)+(x+40)+(2x-30)=180

(x+x+2x)+(10+40-30)=180

4x+20=180     step 1: -20 on both sides

4x=160            step 2: /4 on both sides

x=40

Answer Link

Otras preguntas

Healthy bodies can come in a variety of shapes and sizes. How would changes in the types of bodies used in advertisements affect the health choices of the gener
What older civilization did the Aztecs admire?
Describe three properties of a frozen fruit bar, including its state of matter.
equivalent fractions for 15/35
You make the following measurements of an object – 22 kg and 42 m3. What would the object’s density be? Show your work for credit and include final units.
When you've carefully checked all the facts and your attitudes and still find that there's "just something" about your supervisor that's causing a problem in yo
D=20mi, r=30 mi/h, what is the time
Each one of the following words ends in est. Which one is spelled correctly? a. Sweettest b. Bigest c. Flattest d. Sillyest
Which are correct definitions for history? Choose all answers that are correct. a. a documented narrative of change over time b. the study of human behavior b
Find the value of the expression 2x cubed + 3y squared - 17 when x = 3 and y = 4.