A quadrilateral that has all congruent sides and all right angles is known as a square.
Given is a quadrilateral with all right angles and congruent sides.
<h3>What is a Quadrilateral?</h3>
A four-sided polygon having four sides and four corners is referred to as a quadrilateral in geometry .
<h3>What are Congruent sides?</h3>
Congruent sides refers to a figure's sides being equal to one another.
We know that,
A square is a quadrilateral with angles that are each 90 degrees.
Additionally, a square has four equal sides, making it a quadrilateral having all sides congruent.
As a result, a square is a quadrilateral with congruent sides and all right angles.
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Answer:
all work is shown and pictured
The equation would be:
x≥-4
<h2>
Answer with explanation:</h2>
Let 
be the population mean.
For the given claim , we have
Null hypothesis : 
Alternative hypothesis : 
Since alternative hypothesis is two-tailed , so the test is a two-tailed test.
Given : Sample size : n=220 ;
Sample mean: 
;
Standard deviation: 
Test statistic for population mean:
By using the standard normal distribution table of z , we have
P-value ( two tailed test ) : 
Since , the P-value is greater than the significance level of 
, it means we do not have sufficient evidence to reject the null hypothesis.
