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How do you work out the perimiter of a circle?
The perimeter of a circle is called it circumference, "C". To calculate it, multiply its diameter by the constant, pi. Pi is roughly equal to 3.14159265. So, let's say you have a circle with a 10-foot diameter. Then C=10 x 3.14159265 = 31.42 (rounded off).
How do you find the perimeter and area of a irregular figure?
Divide the irregular figure into manageable pieces and work out their individual areas, sum the areas to that of the original figure. Measure the perimeter.
How do you work out circumference of a triangle?
You add the three sides. This "circumference" is usually called perimeter, by the way.You add the three sides. This "circumference" is usually called perimeter, by the way.You add the three sides. This "circumference" is usually called perimeter, by the way.You add the three sides. This "circumference" is usually called perimeter, by the way.
What is the area of 15cm 3cm 7cm and 1.5cm?
Too many dimensions have been given to work out an answer.
Circumfrance of a 1.25 diameter?
To find the circumference of a circle, you have to multiply Pi and the Diameter. This means that to work out the answer you multiply Pi by 1.25. This equals 3.92699081, which rounded equals 3.93 (2dp) - the circumference of a circle with a 1.25 diameter.
