If the size is 30 inches x 8 inches then the area = 30 x 8 = 240 square inches.
If the size was in feet, multiply 240 by 144.
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Using Pythagoras it will be 30 times the square root of 2 which is about 42.426 inches to 3 dp
what i do is square it 30x30 = 900 devide it by 100 and x it by 78.5398 =706.858278.5398% is correct for doing it this way.(78.5398163397425)Improved answer:Area of a circle = pi*radius2Area = pi*152 = 706.8583471 square inches
4.75 square feet
Oh, dude, math time! So, 30 multiplied by 38 equals 1,140 square feet. It's like the area of a nice, cozy room where you can chill and watch Netflix all day. So, yeah, that's the size of your space if you ever need to know.
The square root of 900 is ±30 because 30 * 30 = 900 and -30 x -30 = 900