Area of a triangle = 1/2 base * height
two 5 x 4 triangles = 2 * 1/2 5 x 4
two 3 x 4.5 triangles = 2 * 1/2 3 x 4.5
total = 33.5 in2 Hmmmmm
wait a minute.....forgot the 5 x 3 bottom total = 48.5 in2
Area of a triangle = 1/2 base * height
two 5 x 4 triangles = 2 * 1/2 5 x 4
two 3 x 4.5 triangles = 2 * 1/2 3 x 4.5
total = 33.5 in2 Hmmmmm
wait a minute.....forgot the 5 x 3 bottom total = 48.5 in2