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 =
·
=
·
√412 - ((38.166-26.33)2+412-36.1662
2·(38.166-26.33)
)2 =
·
√412 - (11.8362+412-36.1662
2·11.836
)2 =
·
√1681 - (140.090896+1681-1307.979556
23.672
)2 = 32.248
·
= 32.248
·
√1681 - 21.6762
= 32.248
·
√1681 - 469.848976
= 32.248
·
√1211.151024
= 32.248
·
34.802
=
1122.295
Answer: trapezoid area with sides 26.33,38.166,41,36.166 equal to 1122.295