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Question
Find the measure of the angle shown in figure. (First estimate with your eyes and then find the actual measure with a protractor).
Solution
On observing with eyes - 135°
On measuring with protractor - 135°
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Fill in the blanks with acute, obtuse, right or straight:
An angle whose measure is less than that of a right angle is ______.
Fill in the blanks with acute, obtuse, right or straight:
When the sum of the measures of two angles is that of a straight angle, and if one of them is acute then the other should be ______.
Find the measure of the angle shown in figure. (First estimate with your eyes and then find the actual measure with a protractor).
Find the angle measure between the hands of the clock in figure :
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| 9.00 a.m. |
Find the angle measure between the hands of the clock in figure :
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| 6.00 p.m. |
Investigate
In the given figure, the angle measures 30°. Look at the same figure through a magnifying glass.
- Does the angle become larger?
- Does the size of the angle change?
