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Lines and Angles

Theory and Formula


Question


Q1. If two lines are intersecting at right angle, Then lines are known as __________ lines.
(a) Perpendicular (b) Parallel (c) None

Solution.
(a) Perpendicular
Solution

Q2. Two angles are supplement one is 2/3rd of the other find the largest angle. ,

1080
Solution

Q3. A straight line intersecting two or more straight lines is called a ___________.

Solution.
Transversal
Solution

Q4. Sum of linear pair angles are equal to

(a) 1200 (b) 1800 (c) 600 (d) 900

Solution.
(b) 1800
Solution

Q5. Sum of co-interior angle is __________.

(a) supplementary (b) complementary (c) right angle (d) none of these

Solution.
(a) supplementary
Solution

Q6. One of the angles of triangle is 750, find the remaining two angles if their difference is 450.

Solution.
750,300
Solution

Q7. Which pair is not the solution of equation x - 2y = 14 .

(a) (8,-3) (b) (6,-4) (c) (0,-7) (d) (0,-8)

Solution.
(d) (0,-8)
Solution

Q8. Two line intersect , then vertically opposite angles are equal .
(a) True (b) Be may false (c) None of these (d) Can't say

Solution.
(a) True
Solution

Q9. An angle whose measure is 1800 is called a _____________ angle .

Solution.
straight angle
Solution

Q10. The complement of an acute angle is ___________ angle .

Solution.
An acute angle
Solution