Answer:
3240°
Step-by-step explanation:
For a regular icosagon,
sum of interior angles measure=180(n-2)°
180(20-2)
180(18)=3240°
Answer:
I suppose that's 7.8% of 15.
Step-by-step explanation:
7.8/100=0.078
0.078*15=1.17
Answer:
-3
Step-by-step explanation:

So check the picture below
recall your SOH CAH TOA

which identity uses only
angle
opposite
adjacent?
well, is Ms Tangent.. thus

solve for "x", make sure your calculator is in Degree mode, since the angle is in degrees