There is no specific name.
.it is base 1 +base 2 ÷2 ×hight.get it?
Area = Base * Height so Base = Area/Height
A trapezoid is a quadrilateral.
Each of its parallel sides is classed as a base
Trapazoid
A right trapezoid.
Area = (1/2) x (height) x (length of lower base + length of upper base)
25 square metres.
They are the lateral sides or the transverse sides.
((B1+B2)/2)*h=A B1 and B2 are "Base 1" and "Base 2" (the parallel sides) h is the height A is, of course, the area
there are 0 right angles in a trapazoid
4 x (8 +17)/2 = 50 square metres