Answer:
Angle 1 is 135 degrees.
Angle 2 is 45 degrees.
Angle 3 is 75 degrees.
Angle 4 is 37 degrees.
Angle 5 is 43 degrees.
Angle 6 is 137 degrees.
Step-by-step explanation:


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Answer:
A has the largest surface area.
Step-by-step explanation:
Surface Area of A = 2(10*3.5) + 2(10*4) + 2(4*3.5)
= 70 + 80 + 28
= 178 in^2.
For B:
Area = 2(12*3.2) + 2(12*2.8) + 2(2.8*3.2)
= 76.8 + 67.2 + 17.92
= 161.92 in^2.