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 =
·
=
·
√4.92 - ((2.13-4.13)2+4.92-5.62
2·(2.13-4.13)
)2 =
·
=
·
= 3.13
·
= 3.13
·
√24.01 - 0.8372
= 3.13
·
√24.01 - 0.700569
= 3.13
·
√23.309431
= 3.13
·
4.828
=
15.112
Answer: trapezoid area with sides 4.13,2.13,4.9,5.6 equal to 15.112