In a $\triangle\text{ABC},$ if $3\angle\text{A}=4\angle\text{B}=6\angle\text{C}$ then A : B : C =?
View full solution →- 3 : 4 : 6
- 4 : 3 : 2
- 2 : 3 : 4
- 6 : 4 : 3
Question types
Triangles question types
47 questions across 5 question groups — pick any mix to generate a Maths paper with step-by-step answer keys.
47
Questions
5
Question groups
5
Question types
01
M.C.Q
12 Q→022 Marks Questions
10 Q→033 Marks Question
14 Q→044 Marks Questions
8 Q→055 Marks Questions
3 Q→Sample Questions
Triangles questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
The side BC, CA and AB of $\triangle\text{ABC}$ have been produced to D, E and F respectively. $\angle\text{BAE}+\angle\text{CBF}+\angle\text{ACD}=?$
View full solution →- 240º
- 300º
- 320º
- 360º
In a $\triangle\text{ABC},$ if $\angle\text{A}-\angle\text{B}=42^\circ$ and $\angle\text{B}-\angle\text{C}=21^\circ$ then $\angle\text{B}=?$
View full solution →- 32º
- 63º
- 53º
- 95º
In the given figure, BO and CO are bisectors of $\angle\text{B}$ and $\angle\text{C}$ respectively. If $\angle\text{A}=50^\circ$ then $\angle\text{BOC}=?$
View full solution →- 130º
- 100º
- 115º
- 120º
In the given figure, the side CB and BA of $\triangle\text{ABC}$ have been produced to D and E respectively such that $\angle\text{ABD}=110^\circ$ and $\angle\text{CAE}=135^\circ.$ Then, $\angle\text{ACB}=?$
View full solution →- 65º
- 45º
- 55º
- 35º
Calculate the value of x in the following figures.
In the given figure, side BC of $\triangle\text{ABC}$ is produced to D. If $\angle\text{ACD}=128^\circ$ and $\angle\text{ABC}=43^\circ,$ find $\angle\text{BAC}$ and $\angle\text{ACB}.$
View full solution →In $\triangle\text{ABC},$ if $\angle\text{B}=76^\circ$ and $\angle\text{C}=48^\circ,$ find $\angle\text{A}.$
View full solution →If each angle of a triangle is less than the sum of the other two, show that the triangle is acute-angled.
In the given figure, AB || CD and $\text{EF}\perp\text{AB}.$ If EG is the transversal such that $\angle\text{GED}=130^\circ,$ find $\angle\text{EGF}.$
View full solution →In a right-angled triangle, one of the acute angles measures 53º. Find the measure of each angle of the triangle.
In the given figure, BAD || EF, $\angle\text{AEF}=55^\circ$ and $\angle\text{ACB}=25^\circ,$ find $\angle\text{ABC}.$
View full solution →In the given figure, AB || CD and EF is a transversal. If $\angle\text{AEF}=65^\circ,\angle\text{DFG}=30^\circ,\angle\text{EFG}=90^\circ$
and $\angle\text{GEF}=\text{x}^\circ,$ find the value of x.
View full solution →and $\angle\text{GEF}=\text{x}^\circ,$ find the value of x.
In $\triangle\text{ABC},$ if $\angle\text{A}+\angle\text{B}=108^\circ$ and $\angle\text{B}+\angle\text{C}=130^\circ,$ find $\angle\text{A},\angle\text{B}$ and $\angle\text{C}.$
View full solution →The sum of two angles of a triangle is 116º and their differance is 24º. Find the measure of each angle of the triangle.
In $\triangle\text{PQR},$ if $\angle\text{P}-\angle\text{Q}=42^\circ$ and $\angle\text{Q}+\angle\text{R}=21^\circ,$ find $\angle\text{P},\angle\text{Q}$ and $\angle\text{R}.$
View full solution →In a $\triangle\text{ABC},$ it is given that $\angle\text{A}:\angle\text{B}:\angle\text{C}=3:2:1$ and $\text{CD}\perp\text{AC}.$ Find $\angle\text{ECD}.$
View full solution →Calculate the value of x in the following figures.
In the figure given alongside, AB || CD, EF || BC, $\angle\text{BAC}=60^\circ$ and $\angle\text{DHE}=50^\circ.$ Find $\angle\text{GCH}$ and $\angle\text{AGH}.$
View full solution →In the given figure, $\text{AM}\perp\text{BC}$ and AN is the bisector of $\angle\text{A}.$ If $\angle\text{ABC}=70^\circ$ and $\angle\text{ACB}=20^\circ,$ find $\angle\text{MAN}.$
View full solution →In $\triangle\text{ABC},$ if $3\angle\text{A}=4\angle\text{B}=6\angle\text{C},$ calculate $\angle\text{A},\angle\text{B}$ and $\angle\text{C}.$
View full solution →In the given figure, AD divides $\angle\text{BAC}$ in the ratio 1 : 3 and AB = DB. Determine the value of x.
View full solution →Calculate the value of x in the given figure.
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