Answer:
area of trapezium:
a+b divided by 2, times by the height.
so its 8+20=28.
28/2=14.
14*14=196.
area=196
Step-by-step explanation:
Answer:
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Answer: 8x+12
Distribute the 4. So, 4(2x)+4(3). Then you end up with 8x+12.
Simplify both to 1/2 because both numerators are half of their denominators. Then multiply straight across to 1/4.