In the figure above (not to scale), ABCDE is symmetrical about AF. If `/_C =90^(@)` and `/_ BAF =45^(@)`, then find the `/_E`.

In the figure above (not to scale), AB=CD and /_A =100^(@) . /_ C =

In the figure above (not to scale), AB is the diameter of the circle with centre O. If /_ ACO=30^(@), then find /_ BOC .

In the figure above ( not to scale ), ABCD is a rectangle, E is the mid - point of CD. If CD=24 cm and AD=5 cm, then find the perimeter of DeltaABE .

In the figure above ( not to scale ) , ABCD is a trapezium in which AB // DC. angleACB=70^(@) and angleACD=30^(@) . Find angleABC .

In the figure above ( not to scale ), DeltaACB~=DeltaACH~=DeltaBCH . Find angleBCH .