The problem asks to find the endpoints of the midsegment of trapezoid $ABCD$, where $AD$ is parallel to $BC$. We are asked to enter the coordinates in ascending order.

GeometryTrapezoidMidsegmentCoordinate GeometryMidpoint Formula
2025/3/13

1. Problem Description

The problem asks to find the endpoints of the midsegment of trapezoid ABCDABCD, where ADAD is parallel to BCBC. We are asked to enter the coordinates in ascending order.

2. Solution Steps

The midsegment of a trapezoid connects the midpoints of the two non-parallel sides. In this case, the non-parallel sides are ABAB and CDCD. Let's first find the coordinates of the vertices AA, BB, CC, and DD from the graph.
A=(3,4)A = (3, 4)
B=(1,2)B = (-1, 2)
C=(0,1)C = (0, -1)
D=(4,1)D = (4, 1)
To find the midpoint of ABAB, we use the midpoint formula:
MAB=(xA+xB2,yA+yB2)M_{AB} = (\frac{x_A + x_B}{2}, \frac{y_A + y_B}{2})
MAB=(3+(1)2,4+22)=(22,62)=(1,3)M_{AB} = (\frac{3 + (-1)}{2}, \frac{4 + 2}{2}) = (\frac{2}{2}, \frac{6}{2}) = (1, 3)
To find the midpoint of CDCD, we use the midpoint formula:
MCD=(xC+xD2,yC+yD2)M_{CD} = (\frac{x_C + x_D}{2}, \frac{y_C + y_D}{2})
MCD=(0+42,1+12)=(42,02)=(2,0)M_{CD} = (\frac{0 + 4}{2}, \frac{-1 + 1}{2}) = (\frac{4}{2}, \frac{0}{2}) = (2, 0)
The endpoints of the midsegment are (1,3)(1, 3) and (2,0)(2, 0). We need to write the coordinates in ascending order. Ascending order means smallest to largest. Comparing the x-coordinates first, we have 1<21 < 2, so (1,3)(1, 3) comes before (2,0)(2, 0). However, if we are ordering the coordinates of each point, the question may be ordering the coordinates for *each* point, in which case we should list the x coordinate before the y coordinate in each point. The problem specifies that the coordinates are to be entered in ascending order, and refers to "the coordinates" suggesting this refers to the y-values 0 and

3. Given the possible ambiguity, let's list both midpoints.

3. Final Answer

(1, 3) and (2, 0)

Related problems in "Geometry"

The problem consists of two parts: (c) Given the position vectors of points $A(8, 4, -3)$, $B(6, 3, ...

Vectors3D GeometryArea of TriangleCross ProductVolume of ParallelepipedScalar Triple ProductDeterminants
2025/6/27

We are asked to find the area of a triangle with vertices (4,9), (2,1), and (-1,-7) using the determ...

AreaTriangleDeterminantsCoordinate Geometry
2025/6/27

The problem asks to find the equation of a line given two points in 3D space. The two points are $A(...

3D GeometryLinesParametric EquationsVectors
2025/6/27

The problem describes a composite object made of four identical rectangular plates. The question ask...

Center of GravityCenter of MassComposite ObjectsGeometric Shapes
2025/6/26

We are given three points $A(0,0,-1)$, $B(1,2,1)$, and $C(-2,-1,1)$ in a 3D space with an orthonorma...

3D GeometryVectorsDot ProductTrianglesEllipsesAnalytic GeometryConic Sections
2025/6/26

Given triangle $ABC$ with vertices $A(2, 6)$, $B(2+2\sqrt{2}, 0, 4)$, and $C(2+2\sqrt{2}, 4, 4)$. We...

3D GeometryDistance FormulaLaw of CosinesTrianglesIsosceles TriangleAngle Calculation
2025/6/24

Find the area of the triangle ABC, given the coordinates of the vertices A(2, 2, 6), B(2 + $2\sqrt{2...

3D GeometryVectorsCross ProductArea of Triangle
2025/6/24

In triangle $ABC$, we are given $AB=18$, $AC=12$, and $BC=15$. Point $D$ lies on $AB$ such that $BD=...

TriangleAreaSimilarityHeron's FormulaQuadrilateral
2025/6/23

The problem asks to find the value of angle $x$. We are given a triangle with two interior angles, ...

TrianglesAnglesExterior AnglesInterior Angles
2025/6/22

We are given a triangle with one angle labeled as $57^\circ$, and an exterior angle labeled as $116^...

TrianglesAnglesExterior AnglesAngle Sum Property
2025/6/22