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DiKsa [7]
3 years ago
15

I need help with this.

Mathematics
1 answer:
ser-zykov [4K]3 years ago
4 0

Answer:

(3z+15) cm

Step-by-step explanation:

Perimeter: z cm + 8 cm + (z+3) cm + (z+4) cm = z cm + (z+3) cm + (z+4) cm +8 cm = (3z + 7) cm + 8 cm = (3z+15) cm.

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