What is the total surface area of the figure below? NEEDS DONE ASAP

Answer:
317.1 sq. cm.
Step-by-step explanation:
FIND THE AREA OF THE TRIANGLES
6x7=42
42/2=21= area of one triangle
Area of both triangles=42
FIND THE AREA OF THE RECTANGLES
7x13.1=91.7= area of one rectangle
91.7x3=275.1= area of all three rectangles
ADD THE AREAS TOGETHER
275.1 + 42 = 317.1 sq. cm.
Answer:
359.1cm (i be leave so)
Step-by-step explanation:
6x7=42
42x2=84
13.1x7=91.7
91.7x3=275.1
275.1+84= 359.1