A square floor has a diagonal of 30 feet. What is the closest estimate of the perimeter, in feet, of the floor?
Answer: 85
Explanation
Step 1: Use the Diagonal Formula for a Square
For a square with side length s, the diagonal d is given by:
Substituting
Step 2: Solve for s
Multiply numerator and denominator by to rationalize:
Approximating2
Step 3: Calculate the Perimeter
The perimeter of a square is:
P=4s
P≈4×21.21=84.84
The closest estimate is 85.
This question appeared in
Past Papers (1 times)
Hajj Medical Mission Past Papers and Syllabus (1 times)
This question appeared in
Subjects (1 times)
MATHS MCQS (1 times)
Related MCQs
- The length and breadth of the floor of the room are 20 feet and 10 feet respectively. Square tiles of 2 feet length of different colours are to be laid on the floor. Black tiles are laid in the first row on all sides. If white tiles are laid on the one-third of the remaining and blue tiles on the rest, how many blue tiles will be there?
- How many tiles of dimension 10 square inch are required to cover a floor of dimension of 5 feet by 4 feet?
- A rectangular floor 18 feet x 10 feet is to be covered with carpeting that costs x Rs/Sq Yard. In terms of x how many Rupees will the carpeting cost?
- The area of a rectangle is 16 square feet. Its length is 8 feet. The perimeter of the rectangle is?
- The size of the singlet tile is 2*2 feet than how many tiles required to fill 17*12 floor
- Perimeter of square of length 6 feet
- The length of a rectangular floor is more than its breadth by 200%. If Rs. 324 is required to paint the floor at the rate of Rs. 3 per sq m, then what would be the length of the floor?
- Raul is 6 feet tall and he notices that he casts a shadow that" s 5 feet long- He then measures that the shadow cast by his school building is 30 feet long, the height of the building in feet is -----
- A rectangular field is to be fenced on 3 sides leaving a side of 20 feet unfenced. If the area of the field is 680 Sq. feet how many feet of fencing will be required?
- A rectangular field is to be fenced on three sides leaving a side of 20 feet uncovered. If the area of the field is 680 sq. feet, how many feet of fencing will be required?
