Advertisements
Advertisements
प्रश्न
A table top is semicircular in shape with diameter 2.8 m. Area of this table top is ______.
पर्याय
3.08 m2
6.16 m2
12.32 m2
24.64 m2
उत्तर
A table top is semicircular in shape with diameter 2.8 m. Area of this table top is `bb(underline(3.08 m^2))`.
Explanation:
From the question it is given that, diameter of semicircular shape = 2.8 m
So, radius of semicircular shape = `2.8/2` = 1.4 m
Then, area of semicircular shape of tablet top = `(πr^2)/2`
= `((22/7) xx 1.4 xx 1.4)/2`
= 3.08 m2
APPEARS IN
संबंधित प्रश्न
The inside perimeter of a running track (shown in the following figure) is 400 m. The length of each of the straight portion is 90 m and the ends are semi-circles. If the track is everywhere 14 m wide. find the area of the track. Also find the length of the outer running track.
A regular hexagon is inscribed in a circle. If the area of hexagon is \[24\sqrt{3}\] , find the area of the circle. (Use π = 3.14)
If the circumference of two circles are in the ratio 2 : 3, what is the ratio of their areas?
In the following figure, the shaded area is
If the area of a sector of a circle is `5/18` of the area of the circle, then the sector angle is equal to
In the given figure, a circle is inscribed in an equilateral triangle ABC of side 12 cm. Find the radius of inscribed circle and the area of the shaded region.
[Use `sqrt(3)= 1.73, pi = 3.14]`
The radii of two circles are in the ratio 5 : 8. If the difference between their areas is 156p cm2, find the area of the bigger circle.
The diameters of three wheels are in the ratio 2 : 4 : 8. If the sum of the circumferences of these circles be 132 cm, find the difference between the areas of the largest and the smallest of these wheels.
Area of circle of radius ‘n’ units is
Area of a rectangle and the area of a circle are equal. If the dimensions of the rectangle are 14 cm × 11 cm, then radius of the circle is ______.
