SAGEwisdom

SOLUTION:
Perimeter = 2(3x+x)
Also Perimer = 20
therfore;

2(4x)=20
Divide Both sides by 2

4x=10
2x=5
x=5/2

x= 2.5cm

LET'S TRY THIS

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Lies have a way of resembling the truth when they have overstayed their welcome.
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