Interior and exterior of an angle - class-IX
Description: interior and exterior of an angle | |
Number of Questions: 45 | |
Created by: Anumati Koshy | |
Tags: angles lines, angles and shapes geometry angles and pairs of angles shapes and angles maths mathematics and statistics basic geometrical ideas angle lines and angles angle and its measurement plane geometry line and angle |
In a $\Delta$PQR, if $\angle P - \angle Q = 42^{\circ}$ and $\angle Q - \angle R = 21^{\circ}$, find $\angle P, \angle Q$ and $\angle R$.
An exterior angle of a triangle is less than either of its interior opposite angles.
When an arm of an angle is extended to double its length, then the measure of the angle:
When an arm of an angle is extended then the measure of angle:
An angle which measures $\displaystyle 0^{\circ}$ is called
Compare the areas of the right angled triangles ABC and DEF in which $\displaystyle \angle A=30^{\circ},\angle B=90^{\circ},AC=4cm,\angle D=60^{\circ},\angle E=90^{\circ}: : and: : DE=4cm $
If two triangles are congruent, then they are
The opening between two lines is called:
The angle at a point is
The sum of exterior angles of a triangle is
If two angles in a triangle are $ \displaystyle 75^{\circ} $ and $ \displaystyle 95^{\circ} $then the third angle is
The two rays of an angles are called
An angle which is equal to $\displaystyle 360^{0}$ is called
The common end point of an angle is called
Which of the following statements is correct?
The angle formed by the pages of an open book is?
Sumit constructed an angle of $90^o$ and trisected it. Measure of two angles taken together will be
The sum of the measures of angles at a point in degrees is
In $\Delta ABC$, O is the ethnocentric and $\angle BOC$ $=$ 2$\angle A,$ then the measure of $\angle BOC$ is equal to
The measure of exterior angle is $40^o$. Find number of side.
If $P,Q,R$ and $S$ are $(1,2,5),(-2,1,3),(4,4,2)$ and $(2,1,-4)$, then projection of $PQ$ on $RS$ be
The number of right angles $ABC$ that can be formed is
A triangle has ____ exterior angles.
The measure of co-terminal angle differ by an integral multiple of_________
The ratio between the complementary and the supplementary angles of an angle is $1:7$. What is the measure of that angle?
The equation to the perpendicular bisector of the line segment joining (5,7) (3,1) is
Mark the correct alternative of the following.
An angle of measure $0^o$ is called?
Mark the correct alternative of the following.
An angle of measure $90^o$ is called?
Mark the correct alternative of the following.
An angle of measure $360^o$ is called?
Angles of a triangle are in the ratio $3 : 4 : 5$. The smallest angle is $45^o$.
Mark the correct alternative of the following.
In a $\Delta ABC$, if $\angle A-\angle B=33^o$ and $\angle B-\angle C=18^o$, then $\angle B=?$
The two rays of an angle are called
The maximum number of letters that can be used to represent an angle are
The two rays of an angle are called
Which of the following statements is correct?
If a bicycle wheel has 48 spokes the angle between the adjacent pair spokes is :
The number of triangles with any three of the length 1, 4, 6 and 8 cm, as sides is
The measure of an angle which is five times its supplement is
In $\displaystyle \angle ROP,$ the vertex is at:
The common end point where the two rays meet is called:
In $\displaystyle \angle PRQ $, the two arms are:
To draw an angle of $150^o$ using a pair of compass and ruler ______.
If the sum of two angles is equal to an obtuse angle, then which of the following is NOT possible?
Choose the correct answers from the alternatives given.
In $\Delta $ABC, the sides AB and AC are produced to P and Q respectively. The bisectors of $\angle PBC \, and \, \angle QCB $ intersect at a point 0. then $\angle BOC$ is equal to:
A half turn about O is a rotation through angel of ____ or ____