Answer:
40
Step-by-step explanation:

.5(10 X 8)
.5 x 80
40 units^2
I just did this question: Distance around a circle,C=nd,C=nr-in circumference of a circle
Area of a circle:A=nr,Measured in square units,(radius)(1/2 circumference)
3x+8x-12=8x+1
11x-12=8x+1
3x=13
X=13/3.
Answer:
whats the question
Step-by-step explanation: