It is not because a right triangle needs one right angle, and a right angle is 90 degrees
Step-by-step explanation:
Answer: c. Stratified sampling
Step-by-step explanation:
Stratified sampling is a sampling method in which the studied population is divided into separate groups or subgroups known as strata, there after a simple random sample can then be drawn from each separate or subgroups.
One of the main merit of stratified sampling is that it helps to reduce the size of sample required to get accurate result.
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Given :-
To Find :-
- To solve the expression .
Solution :-
Given expression to us is ,
We know that ,
So our expression becomes ,
And , 
. Using this ,
Again using the same law ,
We know that , 
. Therefore ,
![\\ \dfrac{1}{\sqrt[3]{3^4}}](https://tex.z-dn.net/?f=%5C%5C%20%5Cdfrac%7B1%7D%7B%5Csqrt%5B3%5D%7B3%5E4%7D%7D)
Simplify ,
![\dfrac{1}{3\sqrt[3]{3}}](https://tex.z-dn.net/?f=%20%5Cdfrac%7B1%7D%7B3%5Csqrt%5B3%5D%7B3%7D%7D)
This is the simplified expression.
<em>I </em><em>hope</em><em> this</em><em> helps</em><em>.</em>
The answer is C 8/2=4 and 74/2=37
