Answer:

Step-by-step explanation:
To convert from degrees to radians
radian = degree measure 
= 510 × 
= 
=
radians
Answer:
b
Step-by-step explanation:
Answer:

Step-by-step explanation:
srry if its wrong but I think it's right :)
btw for the first one
p=19.53
Area= base + base / 2 then multiply the height.
Example: 6+7 /2*6= 39