RBSE Solutions for Class 6 Maths Chapter 8 Basic Geometrical Concepts and Shapes Additional Questions is part of RBSE Solutions for Class 6 Maths. Here we have given Rajasthan Board RBSE Class 6 Maths Chapter 8 Basic Geometrical Concepts and Shapes Additional Questions.
|Chapter Name||Basic Geometrical Concepts and Shapes|
|Number of Questions||16|
Rajasthan Board RBSE Class 6 Maths Chapter 8 Basic Geometrical Concepts and Shapes Additional Questions
Multiple Choice Questions
Complementary (RBSESolutions.com) angle of 40° is.
Angle which made on bisecting ∠180° is.
Geometrical instrument, (RBSESolutions.com) marked with 180° parts called.
(i) set squares
It has two sharp tips.
(iv) None of these
A line joining the two points of circumference and passing through center of circle is called.
(iv) None of these
Mid part of two (RBSESolutions.com) radii of circle is called.
(iii) circle segment
Shaded part in figure is.
(ii) Semi – circle
(iv) None of these
When a hand of watch make (RBSESolutions.com) whole round, then it made an angle of
Measurement of straight angle is.
If two intersecting lines are perpendicular, then (RBSESolutions.com) angle between them will be.
Fill in the Blanks
(i) When two different lines cut each other (RBSESolutions.com) at a point, then these are called …………… .
(ii) When two lines do not cut each other or intersect, these are called …………… .
(iii) Two lines or more than two lines passing through a common point are called …………… .
(iv)Two rays drawn from a common point, makes an …………… .
(v) Circle is the shape, on which every point is at the equidistant from a certain point on its surface. This point is called its …………… The length from center to any point on circle is called …………… .
(i) Intersecting lines
(ii) Parallel lines
(v) centre, Radius.
Very Short Answer Type Questions
Divide each of the following angle (RBSESolutions.com) in right, straight, acute, obtuse and reflex angle.
It is clear from given angles.
(a) Acute angle
(b) Obtuse angle
(c) Right angle
(d) Reflex angle
(e) Straight angle
(f) Acute angle
With the help of a protractor, (RBSESolutions.com) measure and write the measurement of following angles.
On measuring the given angles by (RBSESolutions.com) protractor we get the following measurements.
(d) 30°, 130°, 85°
Find the measurement of each angle in following figures. (Observe with and without protractor)
On observing given (RBSESolutions.com) figures without protractor
Measurement of angles by measuring them with protractor
Draw any circle and (RBSESolutions.com) mark the following.
(a) Its center
(b) A radius
(c) a diameter
(d) A sector
(e) A circle segment
(f) an internal point
(g) An external point
(h) An arc
We draw a circle, whose parts is as below.
(a) Center = O
(b) Radius = OA, OB and OC
(c) Diameter = AC
(d) Sector = OAB
(e) Shaded internal part (RBSESolutions.com) covered by Chord PQ is a circle segment.
(f) Internal point of circle = M
(g) External point of circle = N
(h) Arc = AB
Draw an angle of 68° with the help of protractor and bisect it with the help of compass and scale.
Drawing an angle of 68° with the help of protractor.
With point B as center draw an are with (RBSESolutions.com) compass which intersects the sides of angle B at P and Q, With P as center, keeping the same width of compass draw an are within the area of the angle. Similarly with Q as center and the width of compass as before, draw an arc intersecting the previous arc. Label the intersection as point D. Join D and B gives the bisector BD of angle B. ∠ABD and ∠DBC are equal.
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