Twelve points are spaced evenly around a circle, lettered from A to L. Let N be the total of isosceles triangles...

This topic has expert replies
Moderator
Posts: 2505
Joined: Sun Oct 15, 2017 1:50 pm
Followed by:6 members

Timer

00:00

Your Answer

A

B

C

D

E

Global Stats

Source: Magoosh

twelve points are spaced evenly around a circle, lettered from A to L. Let N be the total number of isosceles triangles, including equilateral triangles, that can be constructed from three of these points. A different orientation of the same lengths counts as a different triangle, because a different combination of points from the vertices. What is the value of N?

A. 48
B. 52
C. 60
D. 72
E. 120

The OA is B
Source: — Problem Solving |