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 =
·
=
·
√4.832 - ((3-0.55)2+4.832-5.572
2·(3-0.55)
)2 =
·
=
·
√23.3289 - (6.0025+23.3289-31.0249
4.9
)2 = 1.775
·
= 1.775
·
√23.3289 - -0.3462
= 1.775
·
√23.3289 - 0.119716
= 1.775
·
√23.209184
= 1.775
·
4.818
=
8.552
Answer: trapezoid area with sides 0.55,3,4.83,5.57 equal to 8.552