Area of circle is 314 inches^2
Circumference of circle is 62.8 inches
Step-by-step explanation:
We need to find area and circumference of the circle whose diameter is 20 inches.
Area of circle
The formula used to find area of circle is:

value of π = 3.14
we know radius = diameter/2
So, radius = 20/2 = 2
Putting value of π and radius we get Area:

So, Area of circle is 314 inches^2
Circumference of Circle
The formula used to find circumference of circle is:

value of π = 3.14
diameter= 20
Putting value of π and diameter we get Circumference:

So, circumference of circle is 62.8 inches
Keywords: Area and Circumference of Circle
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Answer:
6 5/8
Step-by-step explanation:
You need to add 2 3/4 and 3 7/8
2 3/4 as an improper fraction is 11/4 and 3 7/8 as an improper fraction 31/8
To add them you need to have common denominators
So you multiply 11/4 by 2/2 which is 22/8
Now you can add them
22/8+31/8 = 53/8
53/8 = 6 5/8
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Answer:
Step-by-step explanation:
The formula for the area of this triangle is

Since we have a value for area, and we know that both the base and the height are x, then the formula can be rewritten as

Multiply both sides by 2 to get rid of the fraction to get

Undo the square on the x by taking the square root of both sides. Rounding to the neareast tenth gives you that x = 7.3