I might be wrong but i believe you can make more than one with those 3 angles. the 120 and 40 can make one and if angled right can make 2 and the 10 deg on one of the other angles lines would give you a 3rd.
Answer:882
Step-by-step explanation:5 percent of 840 is 42 so 840 plus 42
Answer:
408 cm^2
Step-by-step explanation:
Adding together all the sides + bases, it would be
(15×6) + (8×15) + (10×15) + (6×8 /2) + (6×8 /2) = 408
