Class 7 Maths
Lines and Angles
Question 1:
The angles between North and West and South and East are:
(a) complementary (b) Supplementary
(c) both are acute (d) both are obtuse
Question 2:
Angles between South and West and South and East are
(a) Vertically opposite angles
(b) complementary angles
(c) Making a linear pair
(d) adjacent but not supplementary
Question 3:
In the given fig., PQ is a mirror, AB is the incident ray and BC is the reflected ray. If ∠ ABC = 460. Find ∠
ABP is equal to
Question 4:
In the figure, lines PQ and ST intersect at O. If ∠POR = 90° and x : y = 3 : 2, then find the value of z.
Question 5:
3a + 16 and 2a + 34 are supplementary angles. Find a.
Question 6:
In the figure, PQ||ST. Find the value of x + 2y.
Question 7:
In the given figure, find the value of x.
Question 8:
In the given fig., if AB ||CD ∠ APQ = 500 and ∠
PRD =1300, find ∠
QPR.
Question 9:
In the given fig., lines l and m intersect each other at a point. Which of the following is false.
(a) ∠ a = ∠ b (b) ∠ d = ∠ c
(c) ∠ a + ∠ d = 1800 (d) ∠ a = ∠ d
Question 10:
If the complement of an angle is 620, find its supplement.
Question 11:
In the given figure, two parallel line l and m are cut by two transversal n and p. Find the values of x and y.
Question 12:
Find the value of x.
Question 13:
In the given figure, three lines AB, CD and EF intersect each other at O. If ∠ AOE = 300 and∠
DOB = 400 Find ∠
COF.
Question 14:
In the given figure, OB is perpendicular to OA and ∠ BOC = 490. Find ∠
AOD
Question 15:
State ‘True’ or ‘False’:
(1) Two right angles are complementary to each other.
(2) One obtuse angle and one acute angle can make a pair of complementary angles.
(3) Two supplementary angles are always obtuse angles.
Question 16:
Fill in the blanks:
(1) Two angles forming a _____ pair are supplementary.
(2) Two lines in a plane which do not meet at a point anywhere are called _____ lines.
(3) Sum of interior angles at the same side of transversal is _____.
Question 17:
What is the type of other angle of a linear pair if
(a) one of its angles is acute?
(b) one of its angles is obtuse?
(c) one of its angles is right?
Question 18:
In the given figure, PQ || ST, find the value of x + y.
Question 19:
In the given figure, identify:
(i) Five pairs of adjacent angles.
(ii) Three linear pairs.
(iii) Two pairs of vertically opposite angles.
Question 20:
Answer the following:
1. Can two adjacent angles be supplementary?
2. Can two adjacent angles be complementary?
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All About Daily Practice Problems on Class 7 Maths Lines and Angles NCERT Chapter 5
Our Daily Practice Problems (DPPs) offer a diverse range of question types, including Multiple Choice Questions (MCQs) as well as short and long answer types. These questions are categorized into Easy, Moderate, and Difficult levels, allowing students to gradually progress and challenge themselves accordingly. Additionally, comprehensive solutions are provided for each question, available for download in PDF format - Download pdf solutions as well as Download pdf Questions. This approach fosters a holistic learning experience, catering to different learning styles, promoting self-assessment, and improving problem-solving skills. With our well-structured DPPs, students can excel in exams while gaining a deeper understanding of the subject matter. Hope you found the content on Class 7 Maths Lines and Angles NCERT Chapter 5 useful.
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