Advertisements
Advertisements
प्रश्न
The area of the circle is given below; find the diameter.
176 sq cm
Advertisements
उत्तर
Area of the circle = 176 sq. cm ....[Given]
Area of the circle = πr2
∴ 176 = `22/7 × r^2`
∴ r2 = `176 × 7/22`
∴ r2 = 56
∴ r = `sqrt(56)` ….[Taking square root of both sides]
Diameter = 2r = `2sqrt(56)` cm
संबंधित प्रश्न
If the perimeter of a semi-circular protractor is 66 cm, find the diameter of the protractor (Take π = 22/7).
Find the circumference of the inner and the outer circles, shown in the adjoining figure? (Take π = 3.14)
In the given figure, find the area of the shaded region, if ABCD is a square of side 14 cm and APD and BPC are semicircles.
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.
Find the diameter of the sphere for the following :
Volume = `523 17/21` cm3
If the circumference of a circle is 176 cm, find its radius.
The wheel of a bullock cart has a diameter of 1.4 m. How many rotations will the wheel complete as the cart travels 1.1 km?
The sum of the circumference and diameter of a circle is 176 cm. Find the area of the circle.
Find the radius of a circle whose circumference is equal to the sum of the circumferences of two circles of radii 15 cm and 18 cm.
Value of π is ______ approximately.
