The great pyramid of giza is located in egypt. it has a height of about 460 ft, and width of its square base is about 55ft.. (a) what is the area of the base of the pyramid? (b) what is the volume of the pyramid?

(a)

the area of a square = s² ( where s is the length of side )

area = 55² = 3025 ft²

(b)

the volume (V) of a pyramid is calculated using

V = × area of base × height

   = × 3025 × 460

   = 463 833 ft³ ( to nearest cubic foot )

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.

arrange the equations with like terms in columns.

analyze the coefficients of x or y.

add the equations and solve for the remaining variable.

substitute the value into either equation and solve.

check the solution.

step-by-step explanation: