Question

how many acute angled Triangles whose vertices are chosen from the vertices of the rectangular boxes​

Answer 1

Answer:

No acute angled triangle

Step-by-step explanation:

A rectangular  has 4 vertices

and triangle has 3 vertices

so number Of triangles which can be formed

= ⁴C₃

= 4!/(3!1!)

= 4

4 Triangles can be formed

Each triangle would have one angle = 90°

so there would not exist any acute angled triangle

as acute angle triangle has each angle < 90°

Hence No acute angled triangle