Table of Contents
What is the rule for 270 degrees counterclockwise?
270 Degree Rotation When rotating a point 270 degrees counterclockwise about the origin our point A(x,y) becomes A'(y,-x). This means, we switch x and y and make x negative.
How do you find the number of rotations?
Find the number of rotations of the wheel. The number of rotations N of the wheel is obtained by dividing the total distance traveled, 100 m = 10000 cm, by the circumference.
What is the rule for rotating 270?
Summary: The algebraic rule for a figure that is rotated 270° clockwise about the origin is (y, -x).
What is the rule for rotating 270 degrees?
The rule for a rotation by 270° about the origin is (x,y)→(y,−x) .
How do you do a 180 rotation on a coordinate plane?
The rule for a rotation by 180° about the origin is (x,y)→(−x,−y) .
How to rotate objects on the coordinate plane?
– Draw a ray from the center of rotation to the point you wish to rotate. – Draw an angle with the center of rotation as the vertex. – Use a compass to draw a circle (arc) with the center at the center of rotation and a radius from the center of rotation to the point you are rotating. – Now rotate all the other points and connect the dots.
How do you plot points on the coordinate plane?
– The x-axis goes left and right, the second coordinate is on the y-axis. – The y-axis goes up and down. – Positive numbers go up or right (depending on the axis). Negative numbers go left or down.
How do you use a coordinate plane in real life?
– Given the polar coordinate (r,θ), write x=rcosθ and y=rsinθ. – Evaluate cosθ and sinθ. – Multiply cosθ by r to find the x-coordinate of the rectangular form. – Multiply sinθ by r to find the y-coordinate of the rectangular form.
How to use a coordinate plane in real life?
– Astronomical movements – Pendulums – Spinning things and spinning tops (Beyblades? Fidget spinners! ;P) – Everything that is described with complex numbers can profit from their polar version, for example alternating currents and its resistances