Q7. The adjacent angles of a parallelogram are (2m-4)°and (-1+3m)" . Find the measure of all four angles of parallelogram.
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Step-by-step explanation:
w.k.t. in parallelogram adj. angles are 180° then
2m-4-1+3m=180
5m-5=180
5m=180-5
5m=175
m=175/5
m=35
- 2m-4=2*35-4=70-4=66°
- -1+3m=-1+3*35=-1+105=104°
angles in parallelogram are 66°,104°,66°,104°
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