Advertisements
Advertisements
प्रश्न
A thin wire 20 centimeters long is formed into a rectangle. If the width of this rectangle is 4 centimeters, what is its length?
Advertisements
उत्तर
Given perimeter of rectangle = 20 cm
Width of a rectangle = 4 cm
We know, perimeter of rectangle = 2 (length + breadth)
20 = 2 length + 2 breadth
2 length = 20 - 2 breadth
2 length = 20 - 2 x 4
2 length = 20 - 8
length = 12/2
= 6 cm
APPEARS IN
संबंधित प्रश्न
The diagonal of a square is `12sqrt2` cm. Find its perimeter.
If P = perimeter of a rectangle, l= its length and b = its breadth find P, if l = 38 cm and b = 27 cm
If P = perimeter of a rectangle, l= its length and b = its breadth find b, if P = 88 cm and l = 24 cm
If P = perimeter of a rectangle, l = its length and b = its breadth; find l, if P = 96 m and b = 28 m.
The perimeters of two squares are in the ratio 8 : 15, find the ratio between the lengths of their sides.
The lengths of the sides of two squares are in the ratio 8:15, find the ratio between their perimeters.
The interior of a figure is called region of the figure. Is this statement true?
A square field has each side 70 m whereas a rectangular field has length = 50 m and breadth = 40 m. Which of the two fields has greater perimeter and by how much?
Find the area and perimeter of the given figure.
Find the perimeter of the following figure:
Write the perimeter of the figure in the box given below it.
If a square of side 1 cm is cut out of the corner of a larger square with side 3 cm (see the figure), what will be the perimeter of the remaining shape?
How much wire will be needed to make a rectangle of length 6 cm and breadth 3 cm?
Sanya, Aarushi, Manav and Kabir made greeting cards. Complete the table for their cards:
| Whose card | Length | Width | Perimeter | Area |
| Sanya | 10 cm | 8 cm | ||
| Manav | 11 cm | 44 cm | ||
| Aarushi | 8 cm | 80 square cm | ||
| Kabir | 40 cm | 100 square cm |
Perimeter of an isosceles triangle is 50 cm. If one of the two equal sides is 18 cm, find the third side.
Find the perimeter of the following figure:
Find the perimeter of the following shape:
An equilateral triangle of side 9 cm.
