Advertisements
Advertisements
प्रश्न
Find the area of the dining table whose diameter is 105 cm
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
Find the area of the following circle, given that diameter = 49 m.
A 36-m-long, 15-m-borad verandah is to be paved with stones, each measuring 6dm by 5 dm. How many stones will be required?
Find the area and perimeter of a square plot of land whose diagonal is 24 m long.
The cost of fencing a square lawn at ₹ 14 per meter is ₹ 28000. Find the cost of mowing the lawn at ₹ 54 100 per `m^2`
A calf is tied with a rope of length 6 m at the corner of a square grassy lawn of side 20 m . If the length of the rope is increased by 5.5 m , find the increase in area of the grassy lawn in which the calf can graze .
If the sum of the areas of two circles with radii r1 and r2 is equal to the area of a circle of radius r, then \[r_1^2 + r_2^2\]
The short and long hands of a clock are 4 cm and 6 cm long respectively. Find the sum of distances travelled by their tips in 2 days.
The minute hand of a clock is 12 cm long. Find the area of the face of the clock described by the minute hand in 35 minutes.
The area of a circle is 1386 sq.cm; find its circumference.
Area of the circle obtained in 196 m2 is ______.
