Answer:
20*20+CD=400+CD
Step-by-step explanation:
Multiply
20
by
20
Answer:
8+pi/2
Step-by-step explanation:
The area of the rectangle on the bottom is 8, or 2*4. The area of the top is half (because it's a semi circle) of pi*r^2, or just 1/2 pi
0.380952 then the numbers repeat
A positive times a negative will always be negative
9 x -1 = -9
-9, Hope this helps!