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How do you use the Pythagoras theorem in circle?
In a circle that has a radius of one you use Pythagorean theorem to derive the sine, cosine and tangent formulas. Draw a circle around the origin on graph paper. The sine is the line segment from the point where the side of the angle intersects down to the x-axis. etc.
What is the tangent of a circle?
A tangent is a straight line that touches a circle's circumference at one point
How many lines of symmetry does a semi circle have?
a semi-circle only has one line of symmetry
What is the Definition of radian measure in maths?
A radian is part of the circumference of a circle and its length is the same size as the circle's radius and it is about 57.3 degrees.
How do you draw a circle?
To draw a perfect circle you will need a drawing compass. To draw a circle you will need a pencil and paper. Starting at the top centre of the paper, place the point of the pencil. Curving around to either the right or the left which ever preferred Guide the pencil all the way around to the starting position making sure that it is symmetrical all the way round. There you have your circle. You may want to use a drawing compass to assist you in drawing a perfect circle. If you do not have a drawing compass you can improvise with a thumb tack and some string. Tie one end of the string to the tack and pin it where you want the centre of your circle to be. Tie the other end to your pencil. Keep the string stretched and move the pencil around the pin to draw a circle. You can change the size of the circle by changing the length of the string.
How do make a circle using a keyboard?
You just hold down alt and press 9 on the right side ○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○○
What is circumference of a 9 circle?
The circumference of a 9 circle is: 28.3
Does a semi circle have one side?
Being half of the circumference of a circle, a semi circle has one side
What size square fits into an 18 circle?
A square whose diagonal is the diameter of the circle. So, if it is a circle with diameter 18 units then the diagonal of the square is 18 units and so its side is 9*sqrt(2) = 12.7 units.
If the diameter of a circle is 9 what is the circumference?
If the diameter of a circle is 9 the circumference is: 28.3
If a circle has a circumference of 9 what is the diameter?
If a circle has a circumference of 9, the diameter is: 2.864
What is the diameter of a circle with a 9 radius?
The diameter of a circle is twice the radius. A circle with a radius of 9 would have a diameter of 18. (9*2=18).
Does a circle have sides?
A circle has 1 side.Yes a circle has one round side
What side of a circle is concave?
the right side
What is a 9 side it circle name?
A nonagon or enneagon is a nine- sided polygon or 9-gon. Nonagon = Nona + gon where Nona means nine and gon means sides.
What is the radius of a 9ft by 9 ft circle?
Since your circle has a diameter of 9 feet (the definition of a "9 by 9" circle), the radius is half of that distance. In this case, your radius is 4.5 feet or 54 inches.
How many sides a circle have?
a circle only have 1 side
