Linear Pair

Q.

In the figure, ray AD stands on the line CB, $\angle BAD=(2x+10{)}^{\circ }$ and $\angle CAD=(5x+30{)}^{\circ }$, find the valve of x and also write $\angle BAD$ and $\angle CAD$. [3 MARKS]

Q. Find the four angles of a cyclic quadrilateral ABCD in which angle A=(2x-1) , angle B=(y+5) , angle C=(2y+15) and angle D=(4x-7).

Q.

According to the linear pair axiom, if ray AB stands on a line PQ, then, the sum of the adjacent angles(in degrees) is __.

Q. In the system shown in the adjoining figure, the tension $T_2$ is :

1. g
2. 2g
3. 5g
4. 6g

Q. Jenny is looking at a clock striking 4:25. What will the reflection angle formed between the hands of the clock be?