Triangle in real life by Ivano Luka, CRO

This is a picture of a triangle in real life.[br]

1.Calculate the area of an equilateral triangle with side length [i]a[/i].

6√3 cm² 9√3 cm² 8√3 cm²

2.Calculate the perimeter of an equilateral triangle with side length [i]a[/i].

14 cm 17 cm 18 cm

[*]3. Determine the height of an equilateral triangle with[br]side length a. [/*][*][/*]

4√3 cm 2√3 cm 3√3 cm

Information: Triangle in real life by Ivano Luka, CRO