Answer:
40.2
Step-by-step explanation:
law of cosines
x^2=40^2+28^2-2*28*40*cos(70)
put in calculator and square root the answer
40.222.... is approximately 40.2
Answer:
(2,-15) is the correct answer i believe
Sry if wrong :(
Hope this helps you note only if it is the correct question then the answer will be correct
D because if you use a^2+b^2=c^2 d is the only one that’s false *plug the numbers in*
