54 is the answer to your question
The four angles are congruet. So each angle is 90°.
So the figure is a rectangle. It could be a square but not necessarily. You can consider a square a special case of rectangle.
The four angles of a rectangle are congruent. And the opposite sides are congruent.
The four angles of a square are congruent. The opposite sides are congruent, furthermore the four sides are congruent.
Step-by-step explanation:
it's any of several statistics that measure an ordinal association. Measures the degree of similarity between two rankings.
<span>The critical value will be established. This is the point at which the researcher can reject the null hypothesis because the value falls outside the bounds at which the result was due to random chance. Values inside this bound show that the result cannot be determined to be due to the variables, so they cannot be used to reject the null hypothesis.</span>