1.

one of the angles of a parallelogram is 80 degree find the measure of all the remaining three angles ​

Answer»

Answer:

100,100,80

Step-by-step explanation:

the measure of the opposite ANGLES of a PARALLELOGRAM are always equal hence the second angle is also 80

now the SUM of two adjacent angles is 180

LET the third angle be x

then

x+80=180

x=100

then thefourth angle would also be 100



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