Ek aayat ka parimap 42cm Hai yadi iska vikarn 15cm ho to aayat ki chaudai gyat kijiye
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Answer: 6cm
Step-by-step explanation:
Perimeter of rectangle = 2 (L+B)
42 = 2 (15+B)
42 = 30+2B
2B = 12
B = 6cm
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