Answer: The correct option is option third, i.e.,25 cm square.
Explanation:
From the given figure it is easily noticed that the shaded region contains two congruent parallelograms and 4 congruent triangles.
Area of a parallelogram is the product of base and height.

The area of a parallelogram is 12 cm square.
Area of a triangle is half of the product of base and height.

The area of a triangle is 0.25 cm square.
Since there are 2 parallelograms and 4 triangles in the figure, therefore the total area is,


Therefore, the area of figure is 25 cm square and the third option is correct.
Answer:
0.6
Step-by-step explanation:
i hope this helps...
Answer:

Step-by-step explanation:
The logarithm is evaluated as follows:



The value of the logarithm can be estimated by means numeric methods, which can be easily used on calculators (i.e. Macaulay Series)

Well, I would first make a table and then I would find the slope. That is my advice.