Answer:
The angels we have are 40 and 80, so 40+80=120, then you know that a triangle's degrees needs to equal 180 degrees, so 180-120=60!!
60 is your answer!
Answer:The third angle would be 60⁰
Step-by-step explanation: Since a triangle adds up to 180⁰, 40 + 80 = 120⁰. And 180 - 120 = 60⁰.
If what the sin 90º
Step-by-step explanation:
x-2
C, if there is an odd number of negatives it is negative, if there is an even number it is positive
Answer: 30
