The perimeter of a parallelogram is 30 ft and its length is 5 ft. What is the length of the other side?

Answer 1

#"10 ft"#

In a parallelogram, there are always two pairs of congruent sides.

That is, the perimeter of a parallelogram will always be the sum of twice the length, since there are two lengths, and twice the width, since there are two widths.

Hence the formula: #P=2l+2w=2(l+w)#

Manipulate the perimeter formula, given that #P=30,l=5#.

#P=2(l+w)#

#30=2(5+w)#

#15=5+w#

#w=10#

We can go back and check. If the sides of a parallelogram are #5# and #10#, the perimeter will be #5+5+10+10=30#.

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Answer 2

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Let ( l ) be the length of the other side. Given: Perimeter (( P )) = 30 ft Length (( L )) = 5 ft

We know that ( P = 2L + 2l ). Substituting the given values, we get: ( 30 = 2(5) + 2l ) ( 30 = 10 + 2l ) ( 2l = 30 - 10 ) ( 2l = 20 ) ( l = 20 / 2 ) ( l = 10 )

So, the length of the other side is 10 ft.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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