Step-by-step explanation:
first you should check whether the sequence is arithmetic and geometric .as you see the sequence is arithmetic with the common difference of -16384.
Answers are like this: 1)Cos C 2)Cos B 3)Cos A 4)a 5)b 6)c all of them are different type of writing cosines law , just this.
Answer:
No this is quadrilateral
Step-by-step explanation:
not a parallelogram
We are asked to find the area of patio. It is circular so formula used for area is given by:

Where
r = radius = diameter / 2 = 20 / 2 = 10 feet

When we round this to the nearest whole number: