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WorksheetsLines and Angles
Total questions: 50
Worksheet time: 2hrs 40mins
Alternate exterior angles
Alternate interior angles
Vertical angles
Corresponding angles
Which of the angle pairs below is a pair of alternate interior angles?
∠7 and ∠5
∠3 and ∠7
∠4 and ∠8
∠1 and ∠3
∠1 and ∠2 are ___.
Alternate Interior Angles
Alternate Exterior Angles
Same-side Interior Angles
Corresponding Angles
None of these
What are complementary angles?
Angles that add up to 180°
Angles that add up to 90°
Angles that are equal to each other
Angles that are opposite of each other when lines intersect.
What are supplementary angles?
Angles that add up to 180°
Angles that add up to 90°
Angles that are equal to each other
Angles that are opposite of each other when lines intersect
What it the measurement for angle 1?
140o
180o
40o
160o
An angle which is complement of itself is___
90°
60°
45°
55°
An angle whose magnitude lies between 180⁰ and 360⁰ is called_______
Obtuse Angle
Acute angle
Reflex angle
Complete angle
If an angle is half of its complementary , find the angle
60 degree
30 degree
40 degree
None
2x and 3x are linear pair angles find smallest angle
72
108
36
None
If the angles forming linear pair are in the ratio 4:6 then measure of obtuse angle
36 degree
72 degree
108 degree
None
Two parallel lines intersect at:
One point
Two points
Three points
None of these
An exterior angle of a triangle is 110° and its two interior opposite angles are equal. Each of these equal angles is
70°
45°
55°
35°
In the given figure, AB ∥ CD and BC ∥ ED. Find the value of x.
105°
115°
75°
110°
In the given figure, ∠ ODC = ?
20°
25°
35°
30°
If AB ∥ CD, then ∠ QPR = ?
50°
60°
40°
35°
In the given figure, if the angles a and b are in the ratio 2 : 3, then angle c is
90 degrees
126 degrees
144 degrees
180 degrees
In figure, AB || ED, the value of x is
26 degrees
36 degrees
54 degrees
62 degrees
In the figure, if x, y and z are exterior angles of ΔABC then x + y + z is
90 degrees
180 degrees
270 degrees
360 degrees
If AB || CD, EF ⊥ CD and ∠GED = 135° as per the figure given above
The value of ∠AGE is
120 degrees
150 degrees
180 degrees
135 degrees
What are collinear points?
Points that lie on the same line
Points that don't lie on the same line
Cannot tell
Practice 1c: Name a pair of linear pair angles
∠1 and ∠4
∠3 and ∠2
∠4 and ∠5
∠3 and ∠5
In the figure, PQ || MN, the value of x will be
85 degree
90 degree
93 degree
data insufficient - cannot be determined
In the given figure, PQ||RS and EF||QS. If ∠PQS = 60°, then the measure of ∠RFE is:
60 degree
120 degree
180 degree
115 degree
In ΔABC, ∠A = 50° and the external bisectors of ∠B and ∠C meet at O as shown in figure. The measure of ∠BOC is:
40 degree
65 degree
115 degree
140 degree
In the given figure, if AOB is a straight line, then ∠BOC is
80 degree
70 degree
35 degree
20 degree
angle whose complement is two times itself
60 degree
45 degree
39 degree
30 degree
In the given figure, ABCD is a rectangle in which ∠APB = 100°. The value of x is
50°
40°
60°
In Figure, if QT ⊥ PR, ∠ TQR = 40° and ∠ SPR = 30°, find x and y
x = 50° y = 80°
x = 90° y = 30°
x = 40° y = 50°
Find the value of x if the m∠1 = 12x+19° and the m∠2 = 22x−9° .
-2.8
2.8
-5
5
In if AB || CD || EF, PQ || RS, ∠RQD
= 25° and ∠CQP = 60°, then ∠QRS is equal
to
(A)
85°
(B)
135°
°
(C)
145°
(D)
110
In Fig if OP||RS, ∠OPQ = 110° and ∠QRS = 130°, then ∠ PQR is equal to
(A)
40°
(B)
50°
(C)
60°
(D)
70°
In Fig AB, CD and EF are three lines concurrent at O. Find the value of y.
(A)
40°
(B)
50°
(C)
20°
(D)
70°
In figure l1 || l2, the value of x is
80°
100°
110°
70°
In figure the value of x is
120°
130°
110°
100°
In Fig. 6.40, X = 62°, XYZ = 54°. If YO and ZO are the bisectors of XYZ and XZY respectively of Δ XYZ, find XZY.
27o
32o
64o
121o
If an angle is five times its supplementary angle, then the angle is
75°
150
144 degrees
40 degrees
The complementary angle of x is
90 - x
180 - x
x
None of these
In the given figure, if the angles a and b are in the ratio 2 : 3, then angle c is:
90o
126o
144o
Obtuse angle
In the figure, p || q. The value of x is:
35o
55o
70o
110o
In the given figure, if ∠ AOC = 50° then (∠AOD + ∠COB) is equal to:
100o
130o
140o
260o
