Advertisements
Advertisements
प्रश्न
The perimeter of a rectangular plot of land is 80 m and its breadth is 16 m. Find the length and area of the plot.
उत्तर
As, a perimeter 80m
⇒` 2"(Length+Breath)"=80`
⇒` 2"(Length+16)"=80`
⇒`2xx"Length"+32=80`
⇒`2xx"Length"=80-32`
⇒`"Length"=48/2`
∴ `"Length"=24m`
Now, the area of the plot =`"length" xx "breadth" `
=`24xx16`
=`384m^2`
So, the length of the plot is 24 m and its area is `384. m^2`
APPEARS IN
संबंधित प्रश्न
A road which is 7 m wide surrounds a circular park whose circumference is 352 m . Find the area of the road .
Find the area of minor segment of a circle of radius 14 cm, when the angle of the corresponding sector is 600 .
In the following figure, ABCD is a square of side 2a, Find the ratio between
(i) the circumferences
(ii) the areas of the in circle and the circum-circle of the square.
In the following figure, the area of the segment PAQ is
The radius of a circle is 20 cm. It is divided into four parts of equal area by drawing three concentric circles inside it. Then, the radius of the largest of three concentric circles drawn is
The perimeter of a certain sector of a circle of radius 6.5 cm in 31 cm. Find the area of the sector.
Four equal circles, each of radius 5 cm, touch each other, as shown in the figure. Find the area included between them.
The sum of the radii of two circles is 10.5 cm and the difference of their circumferences is 13.2 cm. Find the radii of the two circles.
A circular park is surrounded by a road 21 m wide. If the radius of the park is 105 m, find the area of the road.
If the radius of a circle is tripled, the area becomes ______.
