हिंदी

If a wire in the shape of a square is rebent into a rectangle, then the ______ of both shapes remain same, but ______ may varry. - Mathematics

Advertisements
Advertisements

प्रश्न

If a wire in the shape of a square is rebent into a rectangle, then the ______ of both shapes remain same, but ______ may varry.

रिक्त स्थान भरें
Advertisements

उत्तर

If a wire in the shape of a square is rebent into a rectangle, then the perimeter of both shapes remain same, but area may varry.

Explanation:

When we change the shape, then the perimeter remains same as the length of wire is fixed, but area changes as shape changes.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 9: Perimeter and Area - Exercise [पृष्ठ २७५]

APPEARS IN

एनसीईआरटी एक्झांप्लर Mathematics [English] Class 7
अध्याय 9 Perimeter and Area
Exercise | Q 39. | पृष्ठ २७५

संबंधित प्रश्न

Each side of a rectangle is doubled. Find the ratio between :
(i) perimeters of the original rectangle and the resulting rectangle.
(ii) areas of the original rectangle and the resulting rectangle.


A rectangular field is 30 m in length and 22m in width. Two mutually perpendicular roads, each 2.5 m wide, are drawn inside the field so that one road is parallel to the length of the field and the other road is parallel to its width. Calculate the area of the crossroads.


The length of a rectangle is twice of its breadth. If its perimeter is 60 cm, find its length.


Each side of a square is 45 cm and a rectangle has length 50 cm. If the perimeters of both (square and rectangle) are same, find the breadth of the rectangle.


The length of a rectangle is three times its breadth. If the area of the rectangle is 1875 sq. cm, find its perimeter.


How much wire will be needed to make a rectangle 7 cm long and 4 cm wide?


Four rounds of wire fence have to be put around a field. If the field is 60 m long and 40 m wide, how much wire will be needed?


There is a rectangular lawn 10 m long and 4 m wide in front of Meena’s house (see the figure). It is fenced along the two smaller sides and one longer side leaving a gap of 1 m for the entrance. Find the length of fencing.


A rectangular piece of land measures 0.7 km by 0.5 km. Each side is to be fenced with 4 rows of wires. What is the length of the wire needed?


A rectangle has length 15 cm and breadth 9 cm. What is its perimeter?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×