Series RTEQ.P. Code 60/-2/1
Roll No.
RTE LEARN · CBSE PATTERN 2026–27
MATHEMATICS
Unit test · Ch 7: A Tale of Three Intersecting Lines
Time allowed : 40 MinutesMaximum Marks : 20
General Instructions :
Read the following instructions carefully and follow them :
(i)This question paper contains 11 questions. All questions are compulsory.
(ii)This question paper is divided into three sections – A, B and C.
(iii)In Section A, Question numbers 1 to 5 carry 1 mark each.
(iv)In Section B, Question numbers 6 to 8 are very short answer (VSA) type questions carrying 02 marks each.
(v)In Section C, Question numbers 9 to 11 are short answer (SA) type questions carrying 03 marks each.
(vi)Draw neat figures wherever required. Take π = 22/7 wherever required, if not stated.
(vii)Use of calculators is not allowed.
SECTION A
This section comprises 5 questions of 1 mark each.
1.1
What condition must be satisfied for 3 sides to form a triangle?
2.1
What is the sum of angles in a triangle?
3.1
What does SSS stand for in triangle construction?
4.1
What is the point where all three altitudes of a triangle meet called?
5.1
What type of triangle has all sides equal?
SECTION B
This section comprises 3 very short answer (VSA) type questions of 2 marks each.
6.2
Can a triangle be constructed with sides 4cm, 5cm, and 10cm? Explain.
7.2
If two angles of a triangle are 55° and 65°, find the third angle.
8.2
A triangle has sides 9, 12, 15. Verify if it is a right-angled triangle.
SECTION C
This section comprises 3 short answer (SA) type questions of 3 marks each.
9.3
Describe the steps to construct a triangle when all three sides are given (SSS method).
10.3
An isosceles triangle has two equal sides of 7cm and a base angle of 50°. (a) Find the other base angle. (b) Find the apex angle. (c) Explain why the base angles are equal.
11.3
A right-angled triangle has legs 6cm and 8cm. (a) Find the hypotenuse. (b) Find the area. (c) Verify using RHS congruence with another triangle having the same hypotenuse and one equal leg.
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