Finding the Volume of a Tetrahedron In Exercises 41-46, find the volume of the tetrahedron with the given vertices.
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Elementary Linear Algebra (MindTap Course List)
- Verifying a Polygon In Exercises 25-28, show that the points form the vertices of the polygon. Isosceles triangle: 1,3,3,2,2,4.arrow_forwardCentral Angle of a Tetrahedron A tetrahedron is a solid with four triangular faces, four vertices, and six edges, as shown in the figure. In a regular tetrahedron the edges are all of the same length. Consider the tetrahedron with vertices A(1,0,0), B(0,1,0), C(0,0,1), and D(1,1,1). aShow that the tetrahedron is regular. bThe center of the tetrahedron is the point E(12,12,12) the average of the vertices. Find the angle between the vectors that join the center to any two of the vertices for instance, AEB. This angle is called the central angle of tetrahedron. Note: In a molecule of methane (CH4) the four hydrogen atoms form the vertices of a regular tetrahedron with the carbon atom at the center. In this case chemists refer to the central angle as the bond angle. In the figure, the tetrahedron in the exercise is shown, with the vertices labeled H for hydrogen and the labeled C for carbon.arrow_forwardThe base of a certain solid is the triangle with vertices at (-6, 3), (3,3), and the origin. Cross-sections perpendicular to the y- axis are squares. The volume of this solid isarrow_forward
- Solution to Part ii) of the question above is missing: [ii] Let ABCD be a tetrahedron with A(−4,1,2), B(0,2,−2), C(1,−1,2) and D(1,0,2). Find (c) The surface area of the side ABC. (d) The volume of the tetrahedron.arrow_forwardHello there, can you help me solve a problem? Thank you!arrow_forwardDetermine the volume of the parallelepiped with one vertex at the origin and the three vertices adjacent to it at (1, −2, −2), (3, −3, −4), and (−2, −2, 1). Volume = 0arrow_forward
- Determine the volume of a triangular prism with vertices at A(-1,1,3), B(-1,0,0), C(2,0,0) and D (2,4,0) B A C Darrow_forwardArea of the trapezium whose vertices lies on the parabola y = 4x and its diagonals pass through (1, 0) and having length 25 unit each, is 4 625 (A) 5 sq. unit (B) 16 sq. unit 4 (C) 2 sq. unit (D) 5 sq. unit 4 8arrow_forwardCan you help me with this problem and the parts as well, can you label the parts and can you do it step by step so I can understand how you did itarrow_forward
- Quadrilateral UKEM has vertices U(-5,-1), K(-1,-1), E(-1,-6), and M(-5,-8). Determine the volume of the solid formed by revolving quadrilateral UKEM about the line y=1.arrow_forwardA blade on an industrial fan has the configuration of a semicircle attached to a trapezoid (see figure). Find the centroid of the bladearrow_forwardThe base of a solid is a square with vertices located at (1, 0),(0, 1),(−1, 0), and (0, −1). Each cross-section perpendicular to the x-axis is a semicircle. (a) Find the volume of the solid using the method of cross-sections. (b) Notice that by cutting the solid, it can be rearranged to form a cone. Describe how to do this. (c) Use a geometry formula to verify that the volumes in part (a) and (b) are the samearrow_forward
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