Advertisements
Advertisements
प्रश्न
The circumference of a circular park is 352 m. Find the area of the park
Advertisements
उत्तर
Circumference of a Circle = 2πr units
Given circumference of a circular park = 352 m
2πr = 352
`2 xx 22/7 xx "r"` = 352
r = `352 xx 7/22 xx 1/2` = 56 m
Area of the park = πr2
= `22/7 xx 56 xx 56 "sq.units"`
= 22 × 8 × 56
= 9856 m2
∴ Area of the Circular park = 9856 m2
APPEARS IN
संबंधित प्रश्न
Find the area of the following circles, given that radius = 5 cm.
A circle is inscribed in an equilateral triangle ABC is side 12 cm, touching its sides (the following figure). Find the radius of the inscribed circle and the area of the shaded part.
In the following figure, shows the cross-section of railway tunnel. The radius OA of the circular part is 2 m. If ∠AOB = 90°, calculate:
the area of the cross-section.
Write the formula for the area of a sector of angle \[\theta\] (in degrees) of a circle of radius r.
A circular park has a path of uniform width around it. The difference between the outer and inner circumferences of the circular path is 132 m. Its width is
The area of a circle whose area and circumference are numerically equal, is
If the area of a circle is numerically equal to twice its circumference, then what is the diameter of the circle?
In the given figure, OABC is a square of side 7 cm. If COPB is a quadrant of a circle with centre C find the area of the shaded region.
In the given figure, a square OABC has been inscribed in the quadrant OPBQ. If OA = 20 cm, then the area of the shaded region is ______.
A square is inscribed in a circle of radius 6 cm. Find the area of the square. Give your answer correct to two decimal places if `sqrt(2)` = 1.414.
