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Mathematics
10th
grade
Area of a Sector of a Circle | Areas Related to Circles | Assessment | English | Grade 10
6 questions
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- 1. Multiple Choice
Area of a sector of angle 150° of a circle with radius 21 cm is _____. (Take π = 22/7)
577.5 cm²
27.5 cm²
55 cm²
1155 cm²
- 2. Multiple Choice
The radius of a circle is 10 cm. If the area of a sector of the circle is 100 cm², then the area of its corresponding major sector is ____________. (Take π = 3.14)
314 cm²
214 cm²
114 cm²
100 cm²
- 3. Multiple Choice
A sector is cut off from a circle of radius 21 cm. The angle of the sector is 120⁰. The area of the remaining part of the circle is _______.
1386 cm²
462 cm²
924 cm²
793 cm²
- 4. Multiple Choice
A circular disc of radius 6 cm is divided into three sectors with the angles of sectors measuring 170⁰, 100⁰ and 90⁰, respectively. The ratio of the areas of these sectors is ________.
11:10:07
15:10:07
15:08:07
17:10:09
- 5. Multiple Choice
The length of the minute hand of a clock is 14 cm. The area swept by the minute hand between 7:00PM to 7:40PM is _______.
29.33 cm²
410.67 cm²
58.67 cm²
924 cm²
- 6. Multiple Choice
In the given figure, PQRS is a rectangle. If PQ = 21 cm and QR = 14 cm, what is the area of the shaded part z?
101.5 cm²
154 cm²
38.5 cm²
294 cm²
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