R s aggarwal solutions mathematics class 6 Solutions for Chapter 15 triangles

Exercises in Chapter 15 triangles Grade 6

Triangles Exercise 16A

Triangles Exercise 16B

Questions in Triangles Exercise 16A

Take three noncollinear points A, B, and C on a page of your notebook. Join AB, BC, and CA. What

figure do you get?

Name:

(i) the side opposite to ∠C

(ii) the angle opposite to the side BC

(iii) the vertex opposite to the side CA

(iv) the side opposite to the vertex B

The angles of a triangle are in the ratio 1 : 3: 5. Find the measure of each of the angles.

One of the acute angles of a right triangle is 50deg. Find the other acute angle.

Questions in Triangles Exercise 16B

How many parts does a triangle have?

(a) 2

(b) 3

(d) 9

With the angles given below, in which case the construction of a triangle is possible?

(a) $30^{0}, 60^{0}, 70^{0}$

(b) $50^{\circ}, 70^{\circ}, 60^{\circ}$

(d) $72^{0}, 28^{0}, 90^{0}$

One of the base angles of an isosceles triangle is 70deg. The vertical angle is

(a) 60deg

(b) 80deg

(d) 35deg

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Chapters in this book

Number System

Factors and Multiples

Whole Numbers

Integers

Fractions

Simplification

Decimals

Algebraic Expressions

Linear Equations in One Variable

Ratio, Proportion and Unitary Method.

Line Segment, Ray and Line

Parallel Lines

Angles and Their Measurement

Constructions (Using a Ruler and a pair of Compasses)

Triangles

Quadrilaterals

Circles

Three – Dimensional Shapes

Two-Dimensional Reflection Symmetry (Linear Symmetry)

Concept of Perimeter and Area

Data Handling

Pictograph

Bar Graph