218k views
1 vote
There are
triangles.

There are triangles.-example-1

2 Answers

4 votes

Answer:

13

Explanation:

We can count the triangles systematically by side length:

i.e. 1-length triangles: 9

2-length triangles: 3

3-length triangles: 1

So total is 9+3+1 = 13.

User Keeleon
by
8.6k points
1 vote

There are altogether 10 triangles.

User Xin Meng
by
7.1k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories