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Ratling [72]
3 years ago
7

The perimeter of a triangle is 44 cm.One of its sides is 4 cm smaller then the twice as big as the third side.Find the side of t

he triangle
Mathematics
1 answer:
lisabon 2012 [21]3 years ago
3 0

Answer:

The side of the triangle

a=8cm

b=20cm

c=16cm

Step-by-step explanation:

Perimeter = 44 cm

a= x

b=2x+4

c=2x

So the perimeter of a triangle is the sum of its sides

a+b+c=44cm\\x+(2x+4)+(2x)=44cm\\x+2x+2x-4=44cm\\5x=44-4\\x=\frac{40}{5} =8cm

a= 8cm

b=2*8+4=20 cm

c= 2*8= 16 cm

Check:

a+b+c=44cm

(8+20+16)cm=44cm

44cm=44cm

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