Answer:
1370
Step-by-step explanation:
<u>First, let's get the value of the first term:</u>
<u>Next, let's find the sum of the first 20 terms</u>
<u>Answer is</u> 1370
Area of Rectangle at the top =
Length x Width
Area of Quarter- Circle = 1/4 x Area of Circle
Area of Rectangle at the right = Length x Width
Total Area = Area of 2 Rectangles + Area of Quarter Circle
I will leave the answer in terms of pi as I'm not sure if you need to round off your answer.