Answer:
5√202
Step-by-step explanation:
By Pythagoras theorem,
x^2 = 45^2 + 55^2
= 2025 + 3025
x^2 = 5050
x = 5√202
A because the origin is at 0,0 and point A is at 0,0
Answer:
mAB = 49
mABC = 253
mBAC= 156
mACB = 311
Step-by-step explanation:
11x+(-2)because you would add like terms which is -1x and 12x which is 11 then u do 2-4 which is -2