Answer:
784 sq cm
Explanation:
Let's find rectangular areas first.
16*24 + 10*16 (adding both areas of both rectangles)
384+160 = 544 sq cm
Now lets find the side triangles.
b*h/2 is the equation
24*10 = 240 (remove 1/2 because you have 2 triangles, 1/2*2 = 1)
240 sq cm + 544 sq cm = 784 sq cm.