Answer:
48
Step-by-step explanation:
Lets say pi is 3.14
The area of a circle is: pi*radius squared
The radius is half the diameter so it is 5 inches.
3.14*5 squared 2
3.14*25
78.5inches squared
Answer:
Area of rectangle = 
Perimeter of rectangle = 
Step-by-step explanation:
We are given:
Length of rectangle = x
Width of rectangle = x-4
We are not given if we want to find area of rectangle or perimeter of rectangle.
So, I will be finding both
Area of rectangle
The formula used is: 
Putting values and finding area

So, we get area of rectangle = 
Perimeter of rectangle
The formula used is: 
Putting values and finding perimeter

So, we get perimeter of rectangle = 
I hope, it can help in solving the question.
Answer:
See below ~
Step-by-step explanation:
<u>Question #8</u>
- Area = 10 x 11.7
- Area = <u>117 m²</u>
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<u>Question #10</u>
- Area = 11 x 11
- Area = <u>121 m²</u>