b = 2a
120
Yes
No.
the answer is twice. the angle of rotation is twice the measure
quadrilateral ~rainingcoconuts
The measure of A is 60.
120
120
120
60
The measure of D is 120.
120
A = 60 B = 20 C = 140 This can have a large number of answers.
no
a + b = 90, ie a = 90 - b;a = 2b - 36 so 2b - 36 = 90 - b ie 3b = 126 so b = 42 and a = 48 (which is 36 less than 84)
A >= 2B (A is twice as many as B, or greater than twice of B)
Yes