Question 75645
LET X BE THE SECOND SIDE 
X-5 IS THE FIRST SIDE
2(X-5) IS THE THIRD SIDE
NOW WE ADD ALL THREE SIDES & SET THEM EQUAL TO 33
X+(X-5)+2(X-5)=33
4X-5-10=33
4X=33+15
4X=48
X=48/4
X=12 INCHES FOR THE FIRST SIDE
12-5=7 FOR THE SECOND SIDE &
2(12-5)=2*7=14 FOR THE THIRD SIDE
PROOF
12+7+14=33
33=33
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LET M=MEDIUM SIDE
M-8=SHORTEST SIDE 
3(M-8)+4=LONGEST SIDE
M+(M-8)+3(M-8)+4=27
M+M-8+3M-24+4=27
5M=27+8+24-4
5M=55
M=55/5
M=11 THE MEDIUM SIDE
THE SHORTEST SIDE IS 11-8=3 FEET.