20+(-3.05)+(-9.8)=20-3.05-9.8=7.15
Answer:
Hey there!
The perimeter of the triangle is the distance around it.
We can find the distance of two points using the distance formula, and add up all the distances to find the total distance.
-4, -6 to 3, 3 is 2
3, 3 to 7, 2 is 5
7, 2 to -4, -6 is about 5.4
2+5+5.39=12.4, which is closest to 12.36.
Let me know if this helps :)
Answer is x=13.
basically you put them together and make them =180
Answer:
I believe it's the first one
A. 6 and b. 12. You take 3.6 and divide it by .6 then multiply by 2 for the second answer
