NCERT Class 8 Maths Ch 11 Mensuration Exercise 11.1
12 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Which field has a larger area?

  • Both fields have the same area
  • Cannot be determined from the information provided
  • The rectangular field
  • The square field (correct)

    • What is the total cost of developing a garden around Mrs. Kaushik's house?

  • ₹ 16250
  • ₹ 17875 (correct)
  • ₹ 15400
  • ₹ 20125

    • What is the perimeter of the garden with a rectangular middle and semicircular ends?

  • $2(80 + 40) + rac{1}{2}(80 + 40)$
  • Cannot be determined from the information provided
  • $80 + 40 + rac{1}{2}(80 + 40) + rac{1}{2}(80 + 40)$
  • $80 + 40 + rac{1}{2}(80 + 40)$ (correct)

    • What is the area of the rectangular part of the garden?

    <p>$80 \times 40$</p> Signup and view all the answers

    If a square plot has a side length of 30 meters, what is its area?

    <p>$900 , m^2$</p> Signup and view all the answers

    If a rectangle has a length of 25 meters and a width of 12 meters, what is its perimeter?

    <p>$72 , m$</p> Signup and view all the answers

    What is the area of the rectangular floor in the given text?

    <p>129.5 m2</p> Signup and view all the answers

    What is the total perimeter of the rectangular floor in the given text?

    <p>48 m</p> Signup and view all the answers

    How many tiles are required to cover a floor of area 1080 m2 as per the provided information?

    <p>45000 tiles</p> Signup and view all the answers

    What is the formula for calculating the circumference of a circle according to the given text?

    <p>$C = 2 \times \pi r$</p> Signup and view all the answers

    In the provided solution, what is the area of two circular ends combined?

    <p>$\frac{77}{2} m^2$</p> Signup and view all the answers

    For which food-piece would an ant have to take a longer round according to the text?

    <p>A circle with radius 3 cm</p> Signup and view all the answers

    Study Notes

    Garden and Rectangular Shapes

    • The area of a rectangular garden can be calculated by multiplying its length and width.
    • The perimeter of a rectangular garden can be calculated by adding the lengths of all its sides.
    • A rectangular garden with a length of 25 meters and a width of 12 meters has a perimeter of 2(25 + 12) = 74 meters.
    • A square plot with a side length of 30 meters has an area of 30² = 900 meters².

    Circles and Semicircles

    • The formula for calculating the circumference of a circle is 2πr, where r is the radius.
    • The area of a circular end can be calculated by finding the area of the circle and dividing it by 2.
    • Two circular ends combined have a total area of 2(πr²/2) = πr².

    Floor and Tiles

    • The area of the rectangular floor is given in the text and can be used to calculate the number of tiles required to cover it.
    • To find the number of tiles required, divide the area of the floor by the area of a single tile.
    • If a floor has an area of 1080 m² and a tile has an area of 1 m², 1080 tiles are required to cover the floor.

    Ant's Path

    • An ant would have to take a longer round for a circular food-piece than a rectangular one.

    Studying That Suits You

    Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

    Quiz Team

    Description

    This quiz provides solutions for Exercise 11.1 from Chapter 11 of Class 8 Maths NCERT textbook on Mensuration. It focuses on determining the field with a larger area between a square and a rectangular field with the same perimeter.

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser