Hi there. Actually, the image that you have provided us with is a little bit blurry so, if you can make the image a little bit clearer, then I can help you with this question.
Thanks.
Answer: 818.4
Step-by-step explanation:
Using the area of a sector formula, we get the area of the entire sector is
.
Using the formula
, we get the area of the triangle is
.
So, the area of the shaded sector is 
Answer:
a. 180
Step-by-step explanation:
= 
cross-multiply:
4x = 720
x = 180
Answer: 4
Step-by-step explanation: