14. If three numbers are added in pairs, the sum equal to 21, 32 and 47. The least of the three numbers is a. 1 b. 3 c. 18 d. 29 _____15. The vertices of a triangle are ( - 2, 3), (2, 1) and (2,7). What is the area of this triangle? a. 4 sq.units c. 12 sq.units b. 6 sq. units d. 24 sq.units

14. If three numbers are added in pairs, the sum equal to 21, 32 and 47. The least of the three numbers is a. 1 b. 3 c. 18 d. 29 _____15. The vertices of a triangle are ( - 2, 3), (2, 1) and (2,7). What is the area of this triangle? a. 4 sq.units c. 12 sq.units b. 6 sq. units d. 24 sq.units

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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Question

_____14. If three numbers are added in pairs, the sum equal to 21, 32 and 47. The least of the

three numbers is

a. 1 b. 3 c. 18 d. 29

_____15. The vertices of a triangle are ( - 2, 3), (2, 1) and (2,7). What is the area of this

triangle?

a. 4 sq.units c. 12 sq.units

b. 6 sq. units d. 24 sq.units

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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