Base of parallelogram b = 24.5 cm
Step-by-step explanation:
We are given:
Perimeter =P= 63 cm^2
Slant Height =a= 7 cm
Base of Parallelogram =b= ?
The formula used is:

where a is height and b is base
Putting values:

So, Base of parallelogram b = 24.5 cm
Keywords: Perimeter of Parallelogram
Learn more about Perimeter of Parallelogram at:
#learnwithBrainly
Solution: We are given:

We know that a usual values of the test scores falls within 2 standard deviation from the mean.
Therefore, the minimum usual test score is:




The maximum usual test score is:




Therefore, the minimum and maximum “usual” values of the test scores are:
65.4 and 90.6