a) Given two points P (2, -5, -1) and T (-2, 4, 3) find vector PT . b) Given vector PE = [−1, 5, a] and point P (2, -5, -1), find the coordinate of point E. ( c) Given 4 points: G, R, A and D, what vectors do we need to find the volume of degree triangle pyramid with corner D as reference point? a) Gitt to punkter P (2, -5, -1) og T (-2, 4, 3) finn vektor PT.b) Gitt vektor PE = [-1,5, a] og punkt P (2, -5, -1), finn koordinaten til punkt E.c) Gitt 4 punkter: G, R, A og D, hvilke vektorer trenger vi for å finne volumet tiltrekantpyramiden GRAD med hjørne D som referansepunkt?

Answered: a) Given two points P (2, -5, -1) and T…

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

ChapterP: Preliminary Concepts

SectionP.3: Informal Geometry And Measurement

Problem 9E: Must two different points be collinear? Must three or more points be collinear? Can three or more...

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a) Given two points P (2, -5, -1) and T (-2, 4, 3) find vector PT .

b) Given vector PE = [−1, 5, a] and point P (2, -5, -1), find the coordinate of point E. ( c) Given 4 points: G, R, A and D, what vectors do we need to find the volume of degree triangle pyramid with corner D as reference point?

a) Gitt to punkter P (2, -5, -1) og T (-2, 4, 3) finn vektor PT.
b) Gitt vektor PE = [-1,5, a] og punkt P (2, -5, -1), finn koordinaten til punkt E.
c) Gitt 4 punkter: G, R, A og D, hvilke vektorer trenger vi for å finne volumet til
trekantpyramiden GRAD med hjørne D som referansepunkt?

Polygon with three sides, three angles, and three vertices. Based on the properties of each side, the types of triangles are scalene (triangle with three three different lengths and three different angles), isosceles (angle with two equal sides and two equal angles), and equilateral (three equal sides and three angles of 60°). The types of angles are acute (less than 90°); obtuse (greater than 90°); and right (90°).

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