Dik koordinat sistemi

It seems you have posted an image of a geometry question from a textbook. The problem appears to be about finding the area of a quadrilateral in the coordinate plane. Since the image contains multiple parts, I will walk you through the solution for the specific part you might be asking about. Let’s break down the problem step by step.

Understanding the Problem

The problem states:

  • You have a quadrilateral ABCD placed on the coordinate plane.
  • You need to find the perpendicular distance from a specified point or line.

To solve it, if this is the question related to the area of the quadrilateral, we use the given vertices. The image is not completely visible, but from the context, I can provide guidance on how you usually approach problems in the coordinate plane to calculate area or distance.

Calculating the Distance from a Line to the Origin

  1. Identifying Coordinates:
    Look at the given vertices’ coordinates carefully. For example, let’s say A(x_1, y_1), B(x_2, y_2), C(x_3, y_3), and D(x_4, y_4).

  2. Formula for Area of a Quadrilateral:
    The area A of a quadrilateral can sometimes be calculated using vectors or trapezoids. For coordinates, especially polygons on a grid, you might use:
    $$ A = \frac{1}{2} | x_1y_2 + x_2y_3 + x_3y_4 + x_4y1 - (y_1x_2 + y_2x_3 + y_3x4 + y4x1) | $$

  3. Calculating Centroid or Midpoints:
    Based on the properties asked, you might also need centroid or certain properties of lines (using point-slope or another approach).

  4. Distance to Origin:
    If asked about distance from a point to the origin O(0,0), use:
    $$ d = \sqrt{x^2 + y^2} $$

  5. Specific Instructions:
    If there is a rotation or specific geometry about symmetry/axes, sometimes leveraging trigonometry or rotation matrix can help transform coordinates to make calculations easier.

Completing the Calculation:

Without the explicit coordinates, this is a structural outline for working through similar problems. Review the text carefully and identify each step in your specific case.

Is there more detail given, or are the coordinates listed in another part of this sheet not visible? Feel free to provide more context if you need additional help on another section!