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Mathematics
List of top Mathematics Questions on Areas of Sector and Segment of a Circle
If the angle of sector is 30°, then the area of a sector of the circle with radius 7 cm is___(use
\(\pi = \frac{22}{7}\)
)
TS POLYCET - 2023
TS POLYCET
Mathematics
Areas of Sector and Segment of a Circle
An umbrella has 8 ribs which are equally spaced (see Fig. 11.10). Assuming umbrella to be a flat circle of radius 45 cm, find the area between the two consecutive ribs of the umbrella.
CBSE Class X
Mathematics
Areas of Sector and Segment of a Circle
In a circle of radius 21 cm, an arc subtends an angle of 60° at the centre. Find:
(i) the length of the arc (ii) area of the sector formed by the arc (iii) area of the segment formed by the corresponding chord
CBSE Class X
Mathematics
Areas of Sector and Segment of a Circle
A chord of a circle of radius 15 cm subtends an angle of 60° at the centre. Find the areas of the corresponding minor and major segments of the circle. (Use
\(\pi = 3.14\)
and
\(\sqrt3 = 1.73\)
)
CBSE Class X
Mathematics
Areas of Sector and Segment of a Circle
Tick the correct answer in the following : Area of a sector of angle p (in degrees) of a circle with radius R is
CBSE Class X
Mathematics
Areas of Sector and Segment of a Circle
A round table cover has six equal designs as shown in Figure. If the radius of the cover is 28 cm, find the cost of making the designs at the rate of Rs 0.35 per cm
\(^2\)
. (Use √3 = 1.7)
CBSE Class X
Mathematics
Areas of Sector and Segment of a Circle
To warn ships for underwater rocks, a lighthouse spreads a red coloured light over a sector of angle 80° to a distance of 16.5 km. Find the area of the sea over which the ships are warned. (Use π = 3.14)
CBSE Class X
Mathematics
Areas of Sector and Segment of a Circle
A car has two wipers which do not overlap. Each wiper has a blade of length 25 cm sweeping through an angle of 115°. Find the total area cleaned at each sweep of the blades.
CBSE Class X
Mathematics
Areas of Sector and Segment of a Circle
A brooch is made with silver wire in the form of a circle with diameter 35 mm. The wire is also used in making 5 diameters which divide the circle into 10 equal sectors as shown in Fig. 11.9. Find :
(i) the total length of the silver wire required.
(ii) the area of each sector of the brooch.
CBSE Class X
Mathematics
Areas of Sector and Segment of a Circle
A horse is tied to a peg at one corner of a square shaped grass field of side 15 m by means of a 5 m long rope (see Fig. 11.8). Find (i) the area of that part of the field in which the horse can graze. (ii) the increase in the grazing area if the rope were 10 m long instead of 5 m. (Use π = 3.14)
CBSE Class X
Mathematics
Areas of Sector and Segment of a Circle
A chord of a circle of radius 12 cm subtends an angle of 120° at the centre. Find the area of the corresponding segment of the circle. (Use π = 3.14 and
\(\sqrt3\)
= 1.73)
CBSE Class X
Mathematics
Areas of Sector and Segment of a Circle
A chord of a circle of radius 10 cm subtends a right angle at the centre. Find the area of the corresponding : (i) minor segment (ii) major sector. (Use π = 3.14)
CBSE Class X
Mathematics
Areas of Sector and Segment of a Circle
The length of the minute hand of a clock is 14 cm. Find the area swept by the minute hand in 5 minutes.
CBSE Class X
Mathematics
Areas of Sector and Segment of a Circle
Find the area of a quadrant of a circle whose circumference is 22cm.
CBSE Class X
Mathematics
Areas of Sector and Segment of a Circle
Find the area of a sector of a circle with radius 6 cm if angle of the sector is 60°.
CBSE Class X
Mathematics
Areas of Sector and Segment of a Circle