Advertisements
Advertisements
प्रश्न
Diameters of different circles are given below. Find their circumference (Take π = `22/7`)
d = 56 m
Advertisements
उत्तर
Diameter d = 56 m
Circumference = πd units
= `22/7 xx 56`
= 22 × 8
= 176 m
APPEARS IN
संबंधित प्रश्न
Find the circumference of the circle with the following radius: (Take `bb(pi = 22/7`)
28 mm
Find the circumference of the inner and the outer circles, shown in the adjoining figure? (Take π = 3.14)
ABC is an isosceles right-angled triangle with ∠ABC = 90°. A semi-circle is drawn with AC as the diameter. If AB = BC = 7 cm, find the area of the shaded region. [Take π = 22/7]
Find the angle subtended at the centre of circle of radius 5cm by an arc of length `((5pi)/3)` cm
In the given figure, the shape of the top of a table is that of a sector of a circle with centre O and ∠AOB = 90°. If AO = OB = 42 cm,· then find the perimeter of the top of the table.
Four equal circles, each of radius a units, touch each other. Show that the area between them is `(6/7"a"^2)` sq units.
The area of the circle is given below; find the diameter.
176 sq cm
The area between the circumferences of two concentric circles is 2464 cm2. If the inner circle has circumference of 132 cm, calculate the radius of outer circle.
A cylindrical bucket, whose base radius is 20 cm, is filled with water to a height of 25 cm. A heavy iron spherical ball of radius 10 cm is dropped to submerge completely in water in the bucket. Find the increase in the level of water.
A bucket is raised from a well by means of a rope wound round a wheel of diameter 35 cm. If the bucket ascends in 2 minutes with a uniform speed of 1.1 m per sec, calculate the number of complete revolutions the wheel makes in raising the bucket.
