Answer:
300
Step-by-step explanation:
Two triangles with b = 12 and h = 9
Their total area is 2*(1/2bh) = 2* (1/2(12)(9)) = 108
Other two triangles with b = 12 and h = 16
Their total area is 2*(1/2bh) = 2* (1/2(12)(16)) = 192
Sum of area is all four triangle areas combined = 108 + 192 = 300
