Question 155
Juquinha marks points on a circle and draws triangles by joining 3 of these points. The lengths of the arcs between 2 consecutive points are equal.
a) Marking 4 points on the circle, how many triangles will he be able to draw?
b) Marking 5 points on the circle, how many equilateral triangles will he be able to draw?
c) How many right triangles will he be able to draw if he marks 6 points?
a) Marking 4 points on the circle, how many triangles will he be able to draw?
b) Marking 5 points on the circle, how many equilateral triangles will he be able to draw?
c) How many right triangles will he be able to draw if he marks 6 points?