Advertisements
Advertisements
प्रश्न
Find the area of the dining table whose diameter is 105 cm
Advertisements
उत्तर
Diameter of the dinig table (d) = 105 cm
∴ Radius r = `"d"/2`
= `105/2` cm
Area of the circle = πr2
= `22/7 xx 105/2 xx 105/2`
= 8662.5 sq.cm
Area of the dinning table = 8662.5 cm2
APPEARS IN
संबंधित प्रश्न
A circular flower garden has an area of 314 m2. A sprinkler at the centre of the garden can cover an area that has a radius of 12 m. Will the sprinkler water the entire garden? (Take π = 3.14)
A chord PQ of length 12 cm subtends an angle of 120° at the centre of a circle. Find the area of the minor segment cut off by the chord PQ.
The area of incircle of an equilateral triangle is 154 cm2 . The perimeter of the triangle is
The perimeter of the sector OAB shown in the following figure, is

In the following figure, the area of the segment PAQ is

In the following figure, the area of the shaded region is
The minute hand of a clock is 8 cm long. Find the area swept by the minute hand between 8.30 a.m. and 9.05 a.m.
A piece of wire of length 108 cm is bent to form a semicircular arc bounded by its diameter. Find its radius and area enclosed.
Find the area of the biggest circle that can be cut from a rectangular piece 44cm by 28cm. also, find the area of the paper left after cutting out the circle.
If the radius of a circle is tripled, the area becomes ______.
