Lisa has to cut her grandma's grass this weekend and wants to know exactly how much area she will be cutting. Calculate the area
of the polygon. Be sure to show all your work and explain your answer.
2 answers:
You might be interested in
Answer:
Step-by-step explanation:
Area of circle:
By using the area of a circle, we can get the area of a semicircle:
Let's convert the mixed fraction to an improper fraction and then a decimal:
=
=
Now, we solved for the diameter, to get the radius, we need to divide the diameter by 2:
Now we have the radius, so we can plug in our values and find the area: