a and d b and c that's the answer
Answer: SECOND OPTION
Step-by-step explanation:
The area of a parallelogram can be calculated with this formula:

Where "b" is the of one base and "h" is the height.
You can observe in the figure that "b" and "h" are:

Then, substituting these values into the formula, you get that the area of the given parallelogram is:

This matches with the second option.
I'll write the equation again with the blanks filled in.
1/2 of 2/3 = 1/2 of two thirds = one third
2/3 is read as two thirds.
Half of 2/3 is 1/3, because 1/3+1/3=2/3
Hope this helps!
Answer:
The rational numbers include all the integers, plus all fractions, or terminating decimals and repeating decimals. ... All natural numbers, whole numbers, and integers are rationals, but not all rational numbers are natural numbers, whole numbers, or integers.
Step-by-step explanation: