Triangle ABC is an equilateral triangle. Segment AD measures 18 inches. Courses18B.DCWhich statements about the diagram are correct? Check all that apply.(Hint: An equilateral triangle cut in half creates 30-60-90 triangles.)Select one or more:O a AB = 36 in.%3DO BC = 18 3 in.%3DO AC = 12 3 in.%3DDC = 63 in.%3DBD = 9 in.page

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Answered: 18 B Which statements about the diagram…

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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Triangle ABC is an equilateral triangle. Segment AD measures 18 inches.

Courses
18
B.
D
C
Which statements about the diagram are correct? Check all that apply.
(Hint: An equilateral triangle cut in half creates 30-60-90 triangles.)
Select one or more:
O a AB = 36 in.
%3D
O BC = 18 3 in.
%3D
O AC = 12 3 in.
%3D
DC = 63 in.
%3D
BD = 9 in.
page

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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