<span>area of the front triangle =30, then added to the area of the back triangle for a total of 60. Then the 2 sides and the bottom I took 12 x 10 and got 120, multiplied x 3 to get 360, then added 360 + 60 = 420</span><span> </span>
you dont really have to solve this one when you multiply the answer choices they should equal your B which is -16 and only 4 • -4 = -16 so yeah thats your answer
