Download Grade 9 Lines and Angles

ID : U-38635-3-5736-Lines-and-Angles [1]
Grade 9
Lines and Angles
For more such worksheets visit www.edugain.com
Answer t he quest ions
(1)
What is the angle between hour and minute hands, when clock shows 10:00 o'clock ?
(2)
If AB and CD are parallel, f ind the value of x+y.
(3)
If AD and BD are bisectors of ∠CAB and ∠CBA respectively, f ind sum of angle x and y.
(4) If ∠ADB is a right angle, f ind the value of angle x.
(5)
If CD is perpendicular to AB, and CE bisect angle ∠ACB, f ind the angle ∠DCE.
Copyright 2016 www.edugain.com
Personal use only. Commercial use is strictly prohibited.
ID : U-38635-3-5736-Lines-and-Angles [2]
Choose correct answer(s) f rom given choice
(6) Which of f ollowing is f alse f or a triangle?
a. T wo angles are obtuse angles
b. T wo angles are acute angles
c. One angle is obtuse angle
d. Each angle is equal to 60°
(7) If AB and PQ are parallel, compute the angle X.
(8)
a. 92°
b. 88°
c. 97°
d. 83°
Which of f ollowing two shapes can be joined together to f orm a semi-circle?
(a)
(b)
(c)
(d)
a. b and a
b. c and d
c. b and c
d. a and d
Copyright 2016 www.edugain.com
Personal use only. Commercial use is strictly prohibited.
ID : U-38635-3-5736-Lines-and-Angles [3]
Fill in t he blanks
(9)
Angle x =
°
(10) ABC is an isosceles triangle with AB=AC. We extend the segment AB to D such that AB=AD. T he
value of ∠BCD =
(11)
(12)
(13)
°?
If AB and CD are parallel, value of angle x is
°.
If lines XY and MN intersects as shown below and a:b = 3:2, angle c =
If AB and PQ are parallel, Value of angle Y is
Copyright 2016 www.edugain.com
°.
°
Personal use only. Commercial use is strictly prohibited.
ID : U-38635-3-5736-Lines-and-Angles [4]
(14)
Value of angle X is
°
Check True/False
(15) A triangle can have two obtuse angles.
T rue
False
© 2016 Edugain (www.edugain.com).
All Rights Reserved
Copyright 2016 www.edugain.com
Many more such worksheets can be
generated at www.edugain.com
Personal use only. Commercial use is strictly prohibited.
ID : U-38635-3-5736-Lines-and-Angles [5]
Answers
(1)
60 °
(2)
90 °
(3)
55°
(4) 77°
(5)
11°
(6) a. T wo angles are obtuse angles
(7) c. 97°
(8)
(9)
(10)
(11)
(12)
(13)
(14)
a. b and a
60
90
50
144
113
64
(15) False
Copyright 2016 www.edugain.com
Personal use only. Commercial use is strictly prohibited.