Answer:
5 feet high
Step-by-step explanation:
A= LxW
Yx4= 20
/4 /4
Y= 5ft
It is 5ft high
5x+30- 2x+9
3x+39 is the expression.
For the first figure the Circumference of the circle is: 5.3
cm.
For the second figure the Circumference of the circle is: 80
inch.
<h3>What is Circumference of the Circle?</h3>
The circumference of a circle is defined as the linear distance around it.
i.e., 
Circumference of the circle:




Circumference 



For the first figure the Circumference of the circle is: 5.3
cm.
For the second figure the Circumference of the circle is: 80
inch.
Learn more about circumference of circle here:
brainly.com/question/23239017
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