1 is b and 2 is j and 3 is d
... <span>exactly one output for each input
This is an important concept; be certain that you understand it.
</span>
Equilateral triangle<span> is a </span>triangle<span> in which all three sides are equal
</span>also 3 angles are equal and each angle = 60 degrees
so
2x - 4 = 60
2x = 64
x = 32
hope it helps
