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2 |
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3 |
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4 |
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5 |
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1
2
-2
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6 |
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7 |
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8 |
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9 |
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10 |
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11 |
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12 |
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1
-1
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13 |
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14 |
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15 |
The area of sector with central angle of 1 radians in a circular region whose radius is 2 m is |
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16 |
The area of a sector with central angle of 0.5 radians in a circular region whose radius is 2m is |
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17 |
The radian measure of the central angle of an arc 50 m long on a circle of radius 25 m is |
3
2
1
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18 |
In one hour, the hour hand of a clock turns through |
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19 |
In one hour, the minute hand of a clock turns through |
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20 |
In one hour, the hour hand of a clock turns through |
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21 |
In one hour the minute hand of a clock turns through |
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22 |
The central angle of an arc of a circle whose length is equal to the radius of the circle is called the |
degree
radian
minute
second
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23 |
The system of measurement in which the angle is measured in degrees, minutes and seconds is called the |
circular system
CGS system
sexagesimal system
none of these
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24 |
The system of measurement in which the angle is measured in radians is called the |
circular system
CGS system
sexagesimal system
none of these
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25 |
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26 |
What is the circular measure of the angle between the hands of a watch at 4 O'clock |
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27 |
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28 |
Through how many radians does the hour hand of a clock turn in one hour |
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29 |
Through how many radians does the minute hand of a clock turn in one hour |
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30 |
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0
1
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