Therefore, herefore, (4) becomes
+ y + z = 180º (Angle sum property of a
y +z = 180° - *
Z BOC =
(180°
= 90° -
2
1
= 90°
2
2 ВАС
EXERCISE 6.3
1. In Fig. 6.39, sides QP and RQ of A PQR are produced to points S and Tre
If Z SPR = 135º and Z PQT = 110, find Z PRO
In Fig. 6.40, 2 X = 62°, 2 XYZ = 54º. If YO and ZO are the bisectors of
Z XZY respectively of AXYZ, find ZOZY and Z YOZ.
3. In Fig. 6.41, if AB I DE, BAC = 35º and Z CDE = 53°, find ZDCE.
2.
PO1359
Х
33
1100
Q
539
T T
R
Fig. 6.30
Fig. 6.40
Fly
In Fig. 6.42, if lines PQ and RS intersect at point T, such that 2 PRT=40°
and ZTSQ = 75°, find Z SQT.
Xone
+ y + z = 180º (Angle sum property of a
y +z = 180° - *
Z BOC =
(180°
= 90° -
2
1
= 90°
2
2 ВАС
EXERCISE 6.3
1. In Fig. 6.39, sides QP and RQ of A PQR are produced to points S and Tre
If Z SPR = 135º and Z PQT = 110, find Z PRO
In Fig. 6.40, 2 X = 62°, 2 XYZ = 54º. If YO and ZO are the bisectors of
Z XZY respectively of AXYZ, find ZOZY and Z YOZ.
3. In Fig. 6.41, if AB I DE, BAC = 35º and Z CDE = 53°, find ZDCE.
2.
PO1359
Х
33
1100
Q
539
T T
R
Fig. 6.30
Fig. 6.40
Fly
In Fig. 6.42, if lines PQ and RS intersect at point T, such that 2 PRT=40°
and ZTSQ = 75°, find Z SQT.
Xone
Add an Answer
More Questions From This User See All