A circle has 360 degrees. Divide 360 by 18 and you will find that each equal part of the divided circle is 20 degrees.
Divide the circumference by (2 x pi).
Just divide the circumference by (2 x pi). Pi is about 3.1416.
855.21 square feet. A circle with a radius 70 would be (pi)(radius squared) = (3.1416) (70) (70) = 15,393.8 square feet. With a 20 degree angle that is 20/360ths of a circle, so multiply your circle area by 20 and divide by 360 = 855.21 square feet.
The diameter is the same as the length, so it is 20 inches. If you meant to say that the circumference was 20 inches, then divide by pi, which is 3.1416 20 / 3.1416 = 6.4 inches
A circle has 360 degrees. Divide 360 by 18 and you will find that each equal part of the divided circle is 20 degrees.
Divide a pair of opposite sides into 20 and then join the opposing points. This will create 20 congruent strips.
20 divide by 20 equal = 1
5*20 cm = 1 meter
20
When you divide 1 gram into 20 equal parts, each part would be 0.05 grams. This is calculated by dividing 1 gram by 20.
0.0615
5
-19
Divide by 1000. So its 20 kilograms.
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Forget the diameter. Find the centre. Draw any radius. Next, add another radius at 360/9 = 40 degrees to the first. Keep adding radii as you go around the circle. When it is in 9 equal slices you will have returned to the first radius. Done.