Answer:
On estimating with eyes, the measure of angle shown in figure as follows: (a) \[{{45}^{o}}\] (b) \[{{125}^{o}}\] (c) \[{{60}^{o}}\] (d) \[{{135}^{o}}\] Now, on measuring with the protractor, measure of angle shown in figure are as follows : (a) \[{{40}^{o}}\] (b) \[{{130}^{o}}\] (c) \[{{65}^{o}}\] (d) \[{{135}^{o}}\]
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