https://decimal-to-binary.com/ploschad-trapetsii.html?id=1
# Trapezoid area with bases 11,11 and height 40 equal to 440

Answer: the area of a trapezoid with bases 11,11 and height 40 equal to 440

A trapezoid is a quadrilateral whose two sides are parallel (bases) and the other two are not parallel (sides).

Trapezoid area formula
where a and b are bases, h is height

Solution:

S =

(a+b)·h

2

=

(11+11)·40

2

=

22·40

2

=

880

2

=

440

Answer: the area of a trapezoid with bases 11,11 and height 40 equal to 440