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lisabon 2012 [21]
3 years ago
12

Quick ! The perimeter of the rectangle below is 118 units. Find the length of side AD.

Mathematics
1 answer:
NARA [144]3 years ago
6 0

Answer:

24

Step-by-step explanation:

the perimeter is all sides added up

therefore to solve for "z"

3z + 3z + 4z + 3 + 4z + 3 = 118

simplify

14z + 6 = 118

isolate z by first subtracting 6 from both sides and then dividing by 14 for both sides

z=8

plug z into side CB as AD and CB are congruent

3(8)

=24

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