The measures of angles of a triangle are `x^@ , (x - 20)^@` and `(x-40)^@` . Find a measure of each angle.

Measures of opposite angles of a parallelogram are (3x-2)^@ and (50-x)^@ . Find the measure of its each angle.

The measures of angles of a triangle are in the ratio 3 : 5 : 7. Find the measure of the smallest angle.

The measure of angleA and angleB of an isosceles DeltaABC are equal. angleACD is the exterior angle of DeltaABC . The measures of angleACB and angleACD are (3x-17)^@ and (8x+10)^@ respectively. Find the measures of angleACB and angleACD . Also, find the measures of angleA and angleB .

The measures of angles of a triangle are 2x^(@),3x^(@) , and 4x^(@) . What type of triangle is it ?