Answer:
160.14m²
Step-by-step explanation:
Area of circle = πr² = 3.14r²
Area of sidewalk = area of outer circle - area of inner circle
a = 3.14 * 10² - 3.14 * 7²
a = 3.14 * 100 - 3.14 * 49
a = 314 - 153.86
a = 160.14
160.14m²
I think it is a rectangle..........But i'm not sure what are your options
Answer:
The answer is given below
Step-by-step explanation:
A) Integers are whole numbers (without fraction) that are either positive or negative. If T={x:X is an integer between 1 and 4}, therefore the elements in set T = {2, 3}
B) Since the elements in set T = {2, 3}, then the number of elements in set T = 2
C) The subsets of set T are {}, {2}, {3} and {2,3}
D) Proper subset of set T are subsets of T that is not equal to T. The proper subsets of T are {2} and {3}
An improper subset of set T contains all the element of set T and a null element. The improper subset of set T are {2,3} and {}
