2 answers:
Oval is the answer because its cross section
I think it would be an oval, A. Because the plane crosses at an angle.
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AB=48, DC=88
48+88=136
136÷2=68
Answer: LM=68
Remember that the length of the mid segment in a trapezoid is half the sum of the base lengths.
The # halfway in between 21 and 63 is 42.
9^4 + 3^3
= 9•9•9•9 + 3•3•3
= 6,561 + 27
= 6,588
Looks like you are missing a fraction after the 'If'
