Calculate the shaded area in the diagram

Actually Welcome to the Concept of the Surface areas and Volumes.

Now basically here we can see that, a Square has a circle inside it.

so the shaded region will be given as,

Shaded Area = Area of Circle.

thus, we get as

Area of circle = πr^2

so here, r = d/2 = 14/2 = 7 cm

so we get as,

Area = 22/7 * 7 *7

Area = 154 cm^2.

49π

Step-by-step explanation:

definition :When a circle is inscribed in a square, the length of each side of the square is equal to the diameter of the circle: The area of a circle of radius r units is A=πr^2

d=14 , then radius=7

A=π7^2=49π

introduction, methodology, results, discussion

step-by-step explanation:

an observational study is one which consists of actual observation to record data and then analyse the data.

there are a number of factors that should be analyzed before starting an observational study.

the main four factors are:

i) introduction:   this should be analysed to check whether the purpose of the study is correctly established and the data recorded are appropriate for the study

methodology:   the method of collecting the data, such as whether randomly selected, and whether sample size matches with the population to be studied, whether questions asked are easy to answer by common men, etc.

results: then results such as summary of data with comments should be studied thoroughly

discussion:   the last is the discussion, this can be either by management people or persons who are all interested , etc.

answer: howdy

step-by-step explanation: