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
A trapezoid is a quadrilateral whose two sides are parallel (bases) and the other two are not parallel (sides).
Trapezoid area formula
where m is the middle line, h is the height
A trapezoid is a quadrilateral whose two sides are parallel (bases) and the other two are not parallel (sides).
Trapezoid area formula
where d1,d2 are diagonals, α° is the angle between them
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 the bases, c and d are the sides
A trapezoid is a quadrilateral whose two sides are parallel (bases) and the other two are not parallel (sides).
Trapezoid area formula
where r is the radius of the inscribed circle, α° is the angle between the base and the side
Solution:
S =
·
=
·
√1.462 - ((2.05-3.22)2+1.462-1.92
2·(2.05-3.22)
)2 =
·
=
·
= 2.635
·
= 2.635
·
√2.1316 - 0.0472
= 2.635
·
√2.1316 - 0.002209
= 2.635
·
√2.129391
= 2.635
·
1.459
=
3.844
Answer: trapezoid area with sides 3.22,2.05,1.46,1.9 equal to 3.844