1.

Find the measure of all angles of a parallelogram whose consecutive angles are in the ratio 1 : 3.

A. \[{{60}^{{}^\circ }},{{120}^{{}^\circ }},{{60}^{{}^\circ }},{{120}^{{}^\circ }}\]
B. \[{{85}^{{}^\circ }},{{95}^{{}^\circ }},{{85}^{{}^\circ }},{{95}^{{}^\circ }}\]
C. \[{{50}^{{}^\circ }},{{130}^{{}^\circ }},{{50}^{{}^\circ }},{{130}^{{}^\circ }}\]
D. \[{{45}^{{}^\circ }},{{135}^{{}^\circ }},{{45}^{{}^\circ }},{{135}^{{}^\circ }}\]
Answer» E.


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