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Question
In a wall clock, the angle made by minute and hour hands at 3 o'clock angle is congruent to ___ .
In a wall clock, the angle made by minute and hour hands at 3 o'clock angle is congruent to ___ .
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Solution
The correct options are
A 9 o'clock
D 6 o'clock
The angle formed by minute and hour hands at 3 o'clock as well as at 9 o'clock is 90∘. Since they are equal, they are also congruent.
In case of half past 8, hour hand is between 8 and 9; and minutes hand is on 6. So, this angle is less than 90∘.
Similar is the case is with half past 3.
A 9 o'clock
D 6 o'clock
The angle formed by minute and hour hands at 3 o'clock as well as at 9 o'clock is 90∘. Since they are equal, they are also congruent.
In case of half past 8, hour hand is between 8 and 9; and minutes hand is on 6. So, this angle is less than 90∘.
Similar is the case is with half past 3.
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