Question

answer all this question above politely plz​

Answer 1

Answer:

sorry dear I don't know the answer

Answer 2

Answer:

Ans 1 :- a straight angle or half turn is always 180 degree. reflex is the next largest measuring more than 180 degree but less than 360 degree.

Ans 2 :- the symbol is the perpendicular sign it is shows that two lines are perpendicular to each other. for example Line AB and line CD.

Ans 3 :- from 9 to 12 = 90 degree, so from 9 to 10 is 90/3 = 30 degrees, so from 9 to 9:30 = 30/2 = 15 degrees.