After purchasing a square sheet of plywood of area 169 square feet, I found that I must cut off 2 feet from one side, to fit a wall. What is the area, in square feet, of the wall?
বিকল্পসমূহ (নিজের উত্তর যাচাই করতে ক্লিক করুন):
সঠিক উত্তর
2 (143)
বিস্তারিত ব্যাখ্যা ও বিশ্লেষণ:
Solution
Area of the plywood = 169 square feet
Side of the plywood = √169 = 13 feet
After cutting 2 feet from a side
the plywood length is = 13 feet
the plywood width is = 11 feet
Area of the wall is equal to the area of this sheet.
the area of the wall = 13 × 11 = 143 square ft
