Question

find x and y in the following rombhus

Answer 1

The triangles in rhombos had 90degree
equation -formula -sum of all sides triangle-180degree
angle A plusBplusC-180
30 plus x plus 90-180
110 plus x-180
x-180-110
x-70

atq
AOB IS CONGRUENCE TO AOD
SO as measures of all sides is. same in AOD also