Answer:
y=6x
Step-by-step explanation:
12
8+4=12
B
The sum of the 3 angles in a triangle = 180°, thus
p = 180° - (80 + 20)° = 180° - 100° = 80° and
q = 180° - (45 + 55)° = 180° - 100° = 80°
Thus p = q → B
10 centimeters
2cos0=-1
cos0=-1/2
proved