A rectangular room is 5 meters longer than it is wide, and its perimeter is 26 meters. Find the dimension of the room.
1 answer:
Answer:
l=×+5
w=×
p=2(×+5+×)
=2(2×+5)
26=4×+10
26-10=4×
16=4×
×=4
length=5+4=9
width=4
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to cover divided by one piece
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X° = 180° - 160°
= 20°
x = 20
I got (x+4) (x-2)
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