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Lemur [1.5K]
3 years ago
8

Find the area and perimeter.

Mathematics
1 answer:
balandron [24]3 years ago
3 0
Area =a*h/2
Area = 3x*8/2
Area = 12x

Perimeter =a+b+c
a= 8
b=x+9
c= 4X-3
Perimeter =(8)+(x+9)+(4x-3)
Perimeter =8+x+9+4X-3
Perimeter =5x+14
Answer: 12x; 5x+14
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