Answer:
angle 2 is 55
Step-by-step explanation:
supposing angle 1 and 2 are supplementary angle
since angle 1 is 125
180-125=55
therefore angle 2 is 55
Partial Product is for multiplication and regrouping is for addition.
Hope that helped:)
SinA= 16/20= 4/5=0.8 degree
cosA=12/20=3/5=0.6 degree
tanA=16/12= 4/3=1.33 degree