हिंदी

A square has a boundary of 12 cm. From the corner of this square, a small square of side 1 cm is cut off. Will the boundary of B be less or more? Find its length. If you cut a 1 c - Mathematics

Advertisements
Advertisements

प्रश्न

A square has a boundary of 12 cm.

  1. From the corner of this square, a small square of side 1 cm is cut off. Will the boundary of B be less or more? Find its length.
  2. If you cut a 1 cm square to get shape C, what will be the length of the boundary of C?
Square New shape
संक्षेप में उत्तर
Advertisements

उत्तर

  1. The boundary of shape ‘B’ is equal to the boundary of shape ‘C’
    The boundary of ‘B’ = 12 cm.
  2. The boundary of shape ‘C’ will be equals to 14 cm.
shaalaa.com
Fields and Fences
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 13: Fields and Fences - Exercises [पृष्ठ १५५]

APPEARS IN

एनसीईआरटी Math - Magic [English] Class 4
अध्याय 13 Fields and Fences
Exercises | Q 1. | पृष्ठ १५५

संबंधित प्रश्न

Rahmat needs to find the length of the boundary of the field.

Can you find it from this picture? See the length of each side written near it.


How much more wire will Ganpat need for his field?


How much lace will be used in 3 such table cloths?


How much lace will be left in the roll?


  1. Find the length of the boundary of square D.
  2. 8 squares of side 1 cm are cut out of the square D. Now it looks like shape E. What is the length of the boundary of shape E?
     
  3. The boundary of this    is ______ + ______ + ______ + ______
    Can we also say that the boundary is 4 × 1 cm?

A hockey held is 91 metres 40 cm long and 55 metres wide. How long is the boundary of the held?


Usha and Valsamma are running a race. Usha is running on the inner circle. Valsamma is running on the outer circle.

  1. Valsamma runs faster than Usha. But still she loses the race. Can you guess why?
  2. Have you seen any race where runners start from different places – like in this picture? Guess why?

How will Neetu find out if the two gardens are equally big?


  1. How many Math-Magic books can be covered with one sheet of newspaper?
  2. Try covering your Math-Magic book with half a sheet of newspaper.
  3. Can you cover your book with a smaller sheet?
  4. Find the smallest sheet which can cover your book. Check if your friend used a smaller sheet than you.

  1. Which is the biggest leaf in this picture?
  2. Collect some leaves from the
    garden. Place each of them here on this squared sheet. Trace out their edges and check how many squares there are in each leaf.
  3. Which is the biggest leaf?
  4. Which is the smallest leaf?

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×