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 =
·
=
·
√4.322 - ((0.65-2.95)2+4.322-4.652
2·(0.65-2.95)
)2 =
·
=
·
= 1.8
·
= 1.8
·
√18.6624 - -0.5072
= 1.8
·
√18.6624 - 0.257049
= 1.8
·
√18.405351
= 1.8
·
4.29
=
7.722
Answer: trapezoid area with sides 2.95,0.65,4.32,4.65 equal to 7.722