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 - ((38.1666-26.333)2+412-36.16662
2·(38.1666-26.333)
)2 =
·
√412 - (11.83362+412-36.16662
2·11.8336
)2 =
·
√1681 - (140.03408896+1681-1308.02295556
23.6672
)2 = 32.2498
·
= 32.2498
·
√1681 - 21.6762
= 32.2498
·
√1681 - 469.848976
= 32.2498
·
√1211.151024
= 32.2498
·
34.802
=
1122.358
Answer: trapezoid area with sides 26.333,38.1666,41,36.1666 equal to 1122.358