igscx igscx
  • 14-11-2020
  • Mathematics
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the perimeter of a right angled triangle is 72cm. the lengths of its sides are in the ratio 3:4:5. work out the area of the triangle

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rohleom
rohleom rohleom
  • 14-11-2020
72 = 12x
x= 6

A= 3x
A=18cm
B=4x
B=24cm
C=5x
C=30cm

Area=(A*B)/2
Area=216cm^2

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