Apply Rectangle Area and Perimeter Formulas
Elementary School Math · Flashcards · Recall
ELEMENTARY SCHOOL MATH · FLASHCARDS
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QUESTION
What is the missing factor form for finding length when
A
A
A
and
w
w
w
are known?
QUESTION
What is the missing side length if a rectangle has area
A
A
A
and length
l
l
l
?
QUESTION
Which expression gives the perimeter of a rectangle with side lengths
l
l
l
and
w
w
w
?
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ANSWER
2
(
l
+
w
)
2(l + w)
2
(
l
+
w
)
. Factored form of perimeter formula:
2
(
l
+
w
)
=
2
l
+
2
w
2(l + w) = 2l + 2w
2
(
l
+
w
)
=
2
l
+
2
w
.
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