Answer:
50
Step-by-step explanation:
since all angles add up to 180
and since this is a right triangle the square in the corner is 90 degrees
so 40+90+x=180
130+x=180
subtract 130 from both sides
130-130+x=180-130
x=50
Hope that helps :)
Answer: sqrt(19)/10
Step-by-step explanation:
sinx=0.9
x=arcsin(0.9)
Insert x for cos(x):
cos(arcsin(0.9)=
Use identify
, so

Sorry if this is confusing.
Answer:
183
Step-by-step explanation:
125+141+213+155+281=915
915 divided by 5=183
Answer:
the answer is PQ/GH=3/2
Step-by-step explanation:
Here is the anwer hope you like it thanks