In a parallelogram ABCD, if Angle A = (3x+12) , B = (2x - 32) , then find the value of x and then find the measure Angle of C and D

In a parallelogram A B C D , if /_A=(3x-20)^0,\ /_B\ (y+15)^0,\ /_C=(x+40)^0, then find the values of x\ a n d\ y

If x+y=12 and x y=32 , find the value of x^2+y^2

Find the angles of the parallelogram ABCD, If angle A , angle B = 2: 7

Find the angles of the parallelogram ABCD, if angle C = (2)/(3) angle D

In a triangle ABC, angle A = 60^(@) and b : c = (sqrt3 + 1) : 2 , then find the value of (angle B - angle C)

If x+y=12 and x y=32 , find the value of x^2+y^2dot

The perimeter of a parallelogram ABCD = 40 cm , AB = 3x cm, BC = 2x cm and CD = 2( y+1) cm . Find the values of x and y.

Find the measure of angle x in the adjoining figure.

In parallelogram ABCD , AB = (3x- 4) cm, BC = ( y- 1) cm , CD = ( y+ 5) cm and AD = (2x+ 5) cm. find the ratio AB : BC. Find the values of x and y.

Three vertices of a parallelogram ABCD are A (3,-1,2), B (1, 2, 4) and C(-1,1,2). Find the coordinates of the fourth vertex D.