No because the given dimensions don't comply with Pythagoras' theorem for a right angle triangle.
Scalene
Yes, an equilateral triangle has 3 congruent sides.
108 cm cubed
It is a right angle triangle and its largest angle is 90 degrees
No because the given dimensions don't comply with Pythagoras' theorem for a right angle triangle.
Scalene
3cm x 6cm x 1cm = 18 cm3
3cm
yes
Yes, an equilateral triangle has 3 congruent sides.
Draw a right angled triangle with legs of 4cm and 6cm
No
Probably an equilateral triangle
108 cm cubed
Must be 6 x 3 = 18cm2
The area of rectangle is : 18.0