Consider the following questions

1.If the non-parallel sides of a trapezium are equal,then it is cyclic

2.If the chord of a circle is equal to its radius,then the angle subtended by this chord at a point in major segment is 30

Which of the above statements are correct?

The complement angle of 80 is

At 8:30,the hour hand and minute hand of the clock  form an angle of

Let OA,OB,OC and OD are rays in the anti-clockwise direction such that <AOB=<COD=100,<BOC=82 and <AOD=78.Consider the following statements.

1.AOC and BOD are lines

2.<BOC and <AOD are supplementary

Which of the above statements are correct?

If the angle between radii of a circle is 130°,then the angle between tangents at the ends of the radii is

Three equal circles each of diameter d are drawn on  a plane in such a way that each circle touches the two other circles.A big circle is drawn in such a manner that it touches each of the small circles internally.The area of the big circle is πd²   (√3+2)²