Answer:
x = 1
Step-by-step explanation:
the angle 2 is equal to 52, because triangles add up to be 180, and 180 - 76 and divided by two is 52. 52 = 4x + 12. Divide both sides by four, then subtract 12. x = 1
20
there are 10 2s
2×10 =20
119 degrees
180 degrees - 61 degrees = 119 degrees
B
If I'm correct it should be f(x) = cos(x)
