Q1: Find the value of x
(a) 98º
(b) 100º
(c) 108º
(d) 96º
Q2: A pair of angles is called linear pair if the sum of two adjacent angles is?
(a) 180º
(b) 90º
(c) 270º
(d) 360º
Q3: Find the value of x, y and z
(a) x = 110º , y = 70º, z = 80º
(b) x = 70º , y = 110º, z = 60º
(c) x = 70º, y = 100º, z = 70º
(d) x = 70º, y = 110º, z = 70º
Q4: An exterior angle of the triangle is 110º. And its two opposite interior angles are in the ratio 5:6. What are the values of those angles?
(a) 50º, 60º
(b) 25º, 30º
(c) 35º, 42º
(d) 40º, 48º
Q5: Lines l  k and m  n. Find the value of angle z
(a) 45º
(b) 60º
(c) 70º
(d) 50º
Q6:
Find the value of x
(a) 67º
(b) 71º
(c) 57º
(d) None of these
Q7: The side BC, AB and AC of the triangle ABC are produced in order forming exterior angles ∠ACD = x, ∠BAE = y and ∠CBF = z then the value of 2x + 2y + 2z is
(a) 180°
(b) 360°
(c) 540°
(d) 720°
Q8: The angles of the triangles are in the ratio 1 : 2 : 3. Then the triangle is
(a) scalene
(b) obtuse angled
(c) acute angled
(d) right angles
Q1: Pairs of vertically opposite angles is always equal
Q2: The sum of the angles of a triangle is 180º
Q3: If the sum of two adjacent angles is 45º, then two adjacent angles are acute angles
Q4: If a line is perpendicular is one of two parallel lines, then it is also perpendicular to the other
Q5: Two lines are intersected by the transversal, and then the corresponding angles are equal
Q6: Can we have a triangle where all the interior angles are more than 60º
Q7: Sum of two complimentary angles is equal to 90º
Q8: Sum of all the exterior angles of any polygon is always 360º
Q1: Sum of two supplementary angles is ______.
Q2: Two lines parallel to the same line is ____ each other.
Q3: An acute angle is always less than _____.
Q4: Angles forming a linear pair are ______.
Q5: If one angle of triangle is equal to the sum of other two angles, then the triangle is ______.
Q6: If two straight lines intersect, the adjacent angles are ______.
Q: Write the type of angles
(i)
(ii)
(iii)
(iv)
(v)
(vi)
(vii)
48 videos378 docs65 tests

1. What are lines and angles? 
2. How are lines classified based on their positions? 
3. What are the types of angles? 
4. How can we determine if two lines are parallel? 
5. How do we calculate the measure of an angle? 
48 videos378 docs65 tests


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