In this section you are to provide short answers to each question. 1. (a) Identify each as a line, line segment or ray. (i) AB (ii) −→AB (iii) ←→AB (b) give reasons for your answers in 1a (c) Are the −→AB and −→BA same? Why? (d) Does a regular pentagon tessellate? ........ (e) Justify your answer in 1d Fill in the spaces in 1f to 1h (f) A ....... divides a two-dimensional shape into two congruent shapes. (g) When two straight lines cross, it is found that the angles opposite each other are the same size. They are known as ............. (h) Can the sine rule relationship in trigonometry be used with nonright-angled triangles? ......

In this section you are to provide short answers to each question. 1. (a) Identify each as a line, line segment or ray. (i) AB (ii) −→AB (iii) ←→AB (b) give reasons for your answers in 1a (c) Are the −→AB and −→BA same? Why? (d) Does a regular pentagon tessellate? ........ (e) Justify your answer in 1d Fill in the spaces in 1f to 1h (f) A ....... divides a two-dimensional shape into two congruent shapes. (g) When two straight lines cross, it is found that the angles opposite each other are the same size. They are known as ............. (h) Can the sine rule relationship in trigonometry be used with nonright-angled triangles? ......

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.CT: Test

Problem 1CT

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Concept explainers

Coordinate Geometry

Coordinate geometry, also known as analytic geometry or Cartesian geometry in classical mathematics, is a type of geometry that is studied using a coordinate system. Coordinate geometry is a branch of mathematics that describes the position of points on a plane using an ordered pair of numbers called coordinates.

Question

In this section you are to provide short answers to each question.
1. (a) Identify each as a line, line segment or ray.
(i) AB (ii) −→AB (iii) ←→AB
(b) give reasons for your answers in 1a
(c) Are the −→AB and −→BA same? Why?
(d) Does a regular pentagon tessellate? ........
(e) Justify your answer in 1d
Fill in the spaces in 1f to 1h
(f) A ....... divides a two-dimensional shape into two congruent shapes.
(g) When two straight lines cross, it is found that the angles opposite
each other are the same size. They are known as .............
(h) Can the sine rule relationship in trigonometry be used with nonright-angled triangles? ......

Figure in plane geometry formed by two rays or lines that share a common endpoint, called the vertex. The angle is measured in degrees using a protractor. The different types of angles are acute, obtuse, right, straight, and reflex.

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