Apiece of art is in the shape of an equilateral triangle with sides of 12 in. find the area of the piece of art.

How can we find the measure of an exterior angle if we know the measurement of an interior angle

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

What is the relationship between all triangles that can be drawn given the same three angles