Скачать или смотреть Ncert Class9th Exercise 6.1

Welcome to Math e Magic! ✨
In this video, we’ll explore the Lines and Angles — the foundation of all mathematics!
I have covered Exercise 6.1 of NCERT
1)In the given figure lines AB and CD intersect at O. If 0
and 0
40
BOD = , find BOE and reflex COE
2) In the given figure, lines XY and MN intersect at O. If POY =
a:b = 2:3, find c.
3)In the given figure, PQR PRQ = then prove that PQS PRT
Q4. In the given figure, if x+y = w+z, then prove that AOB is a line.
5)In the given figure, POQ is a line. Ray OR, is perpendicular to line PQ. OS
another ray lying between rays OP and OR. Prove that
1 /( 2) ROS= QOS- POS
6)It is given that XYZ = 640 and XY is produced to point P. Draw a figure
from the given information. If ray YQ bisects ZYP , find XYQ and reflex
QYP
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