45/50 and 46/50 could be one of the options of 4.5/5 and 4.6/5
2 is the answer 23:35677544
Answer:
125.6m^2
Step-by-step explanation:
Let R be the greater radius and r be the smaller radius
Area of the sidewalk = R^2 - r^2 - This can be the expression
= 3.14
=(R^2-r^2)
=(11^2-9^2)
=(121-81)
= 40
= 3.14 x 40
Triangle, rectangles, pollygon, robtuse, i hope this is what you mean
