Solve Perimeter and Area Problems
3rd Grade Math · Flashcards
3RD GRADE MATH · FLASHCARDS
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QUESTION
Find the missing side length if
P
=
18
P = 18
P
=
18
and the other sides are
4
4
4
,
5
5
5
, and
6
6
6
.
QUESTION
Find the missing side
x
x
x
if a triangle has perimeter
P
=
17
P = 17
P
=
17
and sides
6
6
6
,
5
5
5
, and
x
x
x
.
QUESTION
Choose the rectangle with the same perimeter as
3
3
3
by
7
7
7
:
2
2
2
by
8
8
8
or
4
4
4
by
6
6
6
.
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ANSWER
2
2
2
by
8
8
8
. Both have
P
=
20
P = 20
P
=
20
;
3
3
3
by
7
7
7
gives
P
=
20
P = 20
P
=
20
,
2
2
2
by
8
8
8
gives
P
=
20
P = 20
P
=
20
.
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