Hg
Name: Class 8 Date:
___________________________________________________________________________________________________________________________________
___________________________________________________________________________________________________________________________________
The Hg Classes (8
th
to 12
th
) By: Er Hershit Goyal (B.Tech. IIT BHU), 134-SF, Woodstock Floors, Nirvana Country, Sector 50, GURUGRAM +91 9599697178.
fb.me/thehgclasses linkedin.com/company/the-hg-classes instagram.com/the_hg_classes g.page/the-hg-classes-gurugram thehgclasses.co.in
Understanding Quadrilaterals - 1
1. In figure, ABCD and AEFG are parallelograms. If ∠AGF = 125
o
, find ∠BCD.
D C
G F
A E B
2. Two sticks each of length 5 cm are crossing each other such that they bisect each other. What shape is
formed by joining their end points? Give reason.
3. In trapezium HARE, EP and RP and bisectors of ∠E and ∠R, respectively and ∠PER = 25
o
and ∠PRE = 30
o
.
Find ∠HAR and ∠EHA.
E R
P
H A
4. Can the angles 60
o
, 110
o
, 70
o
be the angles of a quadrilateral? Why or why not?
5. If an interior angle of a regular polygon is 108
o
, the find its number of sides.
Hg
Name: Class 8 Date:
___________________________________________________________________________________________________________________________________
___________________________________________________________________________________________________________________________________
The Hg Classes (8
th
to 12
th
) By: Er Hershit Goyal (B.Tech. IIT BHU), 134-SF, Woodstock Floors, Nirvana Country, Sector 50, GURUGRAM +91 9599697178.
fb.me/thehgclasses linkedin.com/company/the-hg-classes instagram.com/the_hg_classes g.page/the-hg-classes-gurugram thehgclasses.co.in
Answers:
1. 50
o
2. Rectangle, since sticks will be its diagonals which bisect each other.
3. 120
o
, 130
o
4. Yes, since they add up to 240, the 4
th
angle could be (360 – 240) = 120.
5. Pentagon, 5 sides
