Mensuration Applications

A floor is 78 m long and 5 m wide. If polishing costs 9 taka per m², what is the total cost?

• 4 units
• 1494 taka
• 3510 taka
• 399 taka

A floor is 77 m long and 14 m wide. If polishing costs 8 taka per m², what is the total cost?

• 8624 taka
• 4 units
• 1086 taka
• 1456 taka

A floor is 76 m long and 13 m wide. If polishing costs 7 taka per m², what is the total cost?

• 4 units
• 1246 taka
• 995 taka
• 6916 taka

A floor is 75 m long and 12 m wide. If polishing costs 6 taka per m², what is the total cost?

• 4 units
• 5400 taka
• 906 taka
• 1044 taka