Which integer is closest to 0 on the number line?
1 answer:
An integer is close to zero if it is "small".
By small, we mean that it is small in absolute value. In fact, for any given distance , there are two integers that are
units away from zero:
and
.
So, for example, -6 is close to zero than 8, because -6 is six units away from zero, while 8 is eight units away from zero.
So, the answer is B, -8, because it is 8 units away from zero. The other options A, C and D are, respectively, 12, 10 and 14 units away from zero.
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Answer
Find out the length of the second parallel side.
To prove
Formula
Where a , b are the parallel sides of trapezoid and h is the height of the trapezoid.
As given
The area of a trapezoid is 132 cm².
The height is 12cm and the length of one of the parallel sides is 9cm.
Here h = 12cm
a = 9cm
Put in the formula
132 × 2 = 9 × 12 + 12b
264 = 108 + 12b
264 - 108 = 12b
156 = 12b
b = 13cm
Therefore the length of the second parallel side is 13cm.