Given a parallelogram with the area of 30in2. Find the height of the parallelogram given that its base is 6cm.
The picture below shows the parallelogram with the base of 6cm and the height of h.
Since the value of the area is given as 30in2, we can substitute A with 30. Similarly, since the base is given as 6cm, we can substitute b with 6 as shown below:
Now, we have 6h = 30. To find h, we need to remove 6. We can do so by dividing both sides of the equation with 6. This is shown below:
Now, the calculated number 5, has no meaning until we include the unit for it. Since the area is in inch2, 6 will be in inch. Hence:
Therefore, the answer is B.
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