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 =
·
=
·
√5.852 - ((28.4-28)2+5.852-6.952
2·(28.4-28)
)2 =
·
=
·
= 28.2
·
= 28.2
·
√34.2225 - -17.42
= 28.2
·
√34.2225 - 302.76
= 28.2
·
√-268.5375
= 28.2
·
NAN
=
NAN
Answer: trapezoid area with sides 28,28.4,5.85,6.95 equal to NAN