In a cyclic quadrilateral two adjacent angles are `40^@` and `frac(pi^c)(3)`.Find the angles of the quadrilateral in degree.

In a right angled triangle, the acute angles are in the ratio 4:5.Find the angles of the triangle in degree and radian.

Ratio of adjacent angles of a parallelogram is 2:3. Find its angles.

The difference between two acute angles of a right angle triangle is (frac(pi)(6))^c find the measure of the angles in degrees.

In a cyclic quadrilateral ABCD, angleB=(5x+40)^@ and angleD=(8x+23)^@ , then find the measures of angle B and angle D .

Two angles of a triangle are frac(5pi^@)(9) and frac(5pi^@)(18) .Find the degree and radian measure of third angle.

Convert the following angles in degree frac(-5pi^c)(3)

One angle of a quadrilateral has measure frac(2pi^@)(5) and the measures of other three angles are in the ratio 2:3:4.Find their measures in degree and radian.

Find the value of sin frac(19pi)(3)^c

Select and write the correct answer from the given alternatives in each of the following:In a triangle of measures of two angles are (frac(3pi)(4))^c and 30^@ ,then the third angle in degree is