GOO
Given: ABCD is a parallelogram.
Prove: ZA 2C and ZBZD
By the definition of a , AD // BC and AB / DC.
Using, AD as a transversal, ZA and 2 are same-
side interior angles, so they are
Using side as a transversal, ZB and ZC are
same-side interior angles, so they are supplementary.
Using AB as a transversal, ZA and ZB are same-side
interior angles, so they are supplementary.
Therefore, ZA is congruent to 2C because they are
supplements of the same angle. Similarly, ZB is
congruent to
Done
1) Intro

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.

1/3 + 1/5 = 8/15.

step-by-step explanation:

hope it

1/3 + 1/3 ≠ 2/6 because 1/3 alone = 2/6  

step by step explanation:

1/3 + 1/3 = 2/3       2/3=4/6