Answer:
Therefore, the height of the traingle is 7.5 cm.
Explanation:
1 dm= 10 cm
3.3 dm=3.3×10
=33 cm
(x+4)+(2x-7)+x= (4x-3) cm
4x-3= 33
4x= 36
x=9
2x-7=2×9-7
=18-7
=11
x+4=9+4
=13 [longest side of triangle]
13-5.5=7.5 cm [height of triangle]
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