-Points A, B, C, and D are collinear so that A-B-C-D. If AB = 7, AC = 11, and CD = 6, then AD equals:
A) 12
B) 15
C) 17
D) 24

Name: -Points A, B, C, and D are collinear so that A-B-C-D. If AB = 7, AC = 11, and CD = 6, then AD equals: A) 12 B) 15 C) 17 D) 24
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Question

-Points A, B, C, and D are collinear so that A-B-C-D. If AB = 7, AC = 11, and CD = 6, then AD equals:
A) 12 
B) 15 
C) 17 
D) 24

Quizplus · Accepted Answer

Since the points are collinear and in the order A-B-C-D, the distance AD is the sum of AB, BC, and CD. Given AB = 7 and CD = 6, and knowing AC = 11 (which is AB + BC), we can find BC = 11 - 7 = 4. Therefore, AD = AB + BC + CD = 7 + 4 + 6 = 17.

-Points A, B, C, and D Are Collinear So That