Final answer:
To find the coordinates of point D in the first quadrant, we can set up an equation using the distance between point C and point D as 4 units. By simplifying and solving the equation, we can determine the coordinates of point D.
Step-by-step explanation:
To find the coordinates of point D in the first quadrant, we need to consider the distance between point C and point D, which is 4 units. Since point D is in the first quadrant, both the x-coordinate and y-coordinate will be positive.
Let's say the coordinates of point C are (xC, yC). Since the distance between C and D is 4 units, we can set up the equation:
√((xD - xC)2 + (yD - yC)2) = 4
Simplifying the equation, we get:
(xD - xC)2 + (yD - yC)2 = 16
Since point C is in the first quadrant, we know that xC and yC are both positive. Let's assume that the coordinates of point D are (xD, yD). Plug in the values for xC and yC, and we get:
(xD - xC)2 + (yD - yC)2 = 16
Expanding the equation and solving for xD and yD, we find the coordinates of point D in the first quadrant.