AMC 8 Daily Practice Round 1

Complete problem set with solutions and individual problem pages

Problem 15 Medium

From the 8 points shown in the figure, choosing any 3 as vertices, how many triangles can be formed?

  • A.

    40

  • B.

    42

  • C.

    44

  • D.

    46

  • E.

    52

Answer:D
Solution

_{8}C_{3}-_{5}C_{3}=46

Related Problems
Problem 13 AMC 8 Daily Practice Round 1
Problem 14 AMC 8 Daily Practice Round 1
Problem 16 AMC 8 Daily Practice Round 1
Problem 17 AMC 8 Daily Practice Round 1
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