the diagonals of a rectangle ABCD meet at O. IF angle BOC = 44, find angle OAD.
angle BOC = angle AOD ( V. O. A )
AC = BD ( diagonals of rectangle are equal )
=> 1/2 of AC = 1/2 of BD
=> AO = DO
so AOD is an isosceles triangle.
angle OAD = angle ODA
Now, in triangle AOD,
ANGLE OAD +ODA+ AOD =180 degree
=> 2OAD + 44 = 180
=> 2OAD = 180 - 44
=> 2OAD = 136
=> OAD = 68 degree