Question

Area of quadrilateral whose sides are 9m,40m,28m and 15m and the angle between the first 2 sides

Answer 1

here is your in this pic and I step in solve you in answer ok

1 divide quadrilateral abcd in 2 triangles.
2 then by using herons formula in one triangle i.e. under root s*(s-a)(s-b)(s-c) where s=1/2 of perimeter of the triangle .
3 do like this for both the triangles then add the area of both the triangles; and u will get ur answer...