Exercise 15(B)

$\mathrm{ABCD}$ is a rhombus. If $\angle \mathrm{DAC}=50°$, find $\angle \mathrm{CAB}$

$\mathrm{ABCD}$ is a rhombus. If $\angle \mathrm{DAC}=50°$, find $\angle ABC$

$ABCD$ is a kite. If $\angle BCD=40°$, find $\angle ABC$ 

$ABCD$ is a trapezium and $ABED$ is a square. If $BE = EC,$ find: $\angle BAE$

$ABCD$ is a trapezium and $ABED$ is a square. If $BE = EC,$ find: $\angle ABC$

$ABCD$ABCD is a trapezium and $ABED$ ABED  is a square. If $BE=EC,$BE=EC What shape is the figure $ABCE?$ ABCE

$ABCD$ is a square and $ABRS$ is a rhombus. Also, $\angle SAD=120°$. Find $\angle ASD$.

$ABCD$ is a square and $ABRS$ is a rhombus. Also, $\angle SAD=120°$. Find $\angle SRB$.