Class IX ...

Class IX
LINES AND ANGLES
1. In the figure, If AB || CD then what is the value of y.
2. In the given figure, ABCD and BPQ ari lines. BP = BC
and DQ || CP. Prove that
(i) CP = CD (ii) DP bisects LCDQ
3. In the given figure, BA || DE. Prove that
ABC + BCD = 180° + CDA
4. In figure, AB || CD and F = 30°. Find ACD.
5. The angles of triangle are (x + 10°), (2x – 30°) and x°.
Find the value of x.
6. In the given figure AB || CD. PR and QR are angle bisectors
of a BPQ and PQD respectively. Show that angle PRQ = 90°
7 In the following figure PQ II ST find value of <QRS
.
Test Paper-3