Question

A square and rectangle have equal side of a square is 18 cm and breadth of the triangle is 12 cm find the length of the triangle​

Answer 1

Step-by-step explanation:

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Answer 2

Answer: Side of regular pentagon =12 cm

Step-by-step explanation:

Given that,

Perimeter of rectangle = Perimeter of regular pentagon

⟹2(l+b)=5a  

⟹2(18+12)=5a

⟹60=5a

⟹a=  60/ 5

∴a=12 cm  

i.e., Side of regular pentagon =12 cm