In the given figure, AB || CD. If ∠CAB = 80° and ∠EFC = 25°, then ∠CEF = ?
(a) 65°
(b) 55°
(c) 45°
(d) 75°

In the given figure, AB || CD. If $\angle CAB={180}^{\circ }$ and $\angle EFC={25}^{\circ }$ then $\angle CEF=?$

$\left(a\right){65}^{\circ }$

$\left(b\right){55}^{\circ }$

$\left(c\right){45}^{\circ }$

$\left(d\right){75}^{\circ }$

In the given figure, AB || CD. If ∠ABO = 45° and ∠COD = 100°, ∠CDO = ?
(a) 25°
(b) 30°
(c) 35°
(d) 45°

In the figure below, $△$ABC $\cong$ $△$BED, $\angle$DEB = ${115}^{\circ }$ and $\angle$CAB = ${25}^{\circ }$, find $\angle$BDE.