हिंदी

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

Advertisements
Advertisements

प्रश्न

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

योग
Advertisements

उत्तर

The length of the field = 91 metres 40 cm = 9100 cm + 40 cm

= 9140 cm.

The width of the held = 55 metre = 55 × 100 = 5500 cm

Therefore boundary = length + width + length + width

= 9140 + 5500 + 9140 + 5500

= 29280 cm 

= 29280 ÷ 100 = 292 metre 80 cm

shaalaa.com
Fields and Fences
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 13: Fields and Fences - Exercises [पृष्ठ १५६]

APPEARS IN

एनसीईआरटी Math - Magic [English] Class 4
अध्याय 13 Fields and Fences
Exercises | Q 3. | पृष्ठ १५६

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.


Take a 20 centimetre long thread. Make different shapes by joining the ends. Place on the squared sheet on the next page. 

find Out :

  1. How many squares are there in each shape?
  2. Which is the biggest shape?
  3. Which is the smallest shape?
  4. How long is the boundary of each shape?

  1. How many different shapes can you make by joining two squares? Draw them on the squared sheet given below. How long is the boundary of each shape?
  2. Try this activity with three squares also.

  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?

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?


Look at the table in your classroom. Guess how many Math-Magic books you can place on it.
(Remember-The books should not overlap. Do not leave gaps between the books)

  1. Write your guess here.
  2. Now check if your guess was right. How many books could you place?
  3. What is the difference between your guess and the actual number of books?

  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?

  1. Guess how many squares of one centimeter can fill this blue rectangle.

    Write your guess here. 
  2. Check your guess by filling it with small squares.

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×