A) \[{{144}^{o}}\]
B) \[{{135}^{o}}\]
C) \[{{125}^{o}}\]
D) \[{{150}^{o}}\]
Correct Answer: A
Solution :
Let the angles are x, 2x, 3x and 4x \[x+2x+3x+4x=360{}^\circ \] \[10x={{360}^{o}}\] \[x=36{}^\circ \] 4th angle = \[4\times x=4\times 36={{144}^{o}}\]You need to login to perform this action.
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