Answer:
Hey this isn’t the answer, sorry
Step-by-step explanation:
I just need this answer to so let me know if you get the answer Thank you
Answer:D. 80
Step-by-step explanation:
all you do is add 40, 14 and 26 from the graph

We know that, in ∆ABC,
∠A+∠B+∠C = 180°
But the triangle is right angled at C
ie., ∠C = 90°
Therefore, ∠A+∠B+ 90° = 180°
⇒ ∠A + ∠B = 90°
Therefore, <u>cos(A + B) = cos 90º = 0</u>
Answer:
C
Step-by-step explanation: