MCQ 11 Mark
A triangle having all sides of different lengths is called
- Aan isosceles triangle
- ✓a scalene triangle
- Can equilateral triangle
- Da right triangle
Answer
View full question & answer→Correct option: B.
a scalene triangle
B
Questions
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12 questions · timed · auto-graded
MCQ 21 Mark
Two angles of a triangle are $25^{\circ}$ and $30^{\circ}$ respectively. The third angle is
- A$35^{\circ}$
- B$45^{\circ}$
- C$65^{\circ}$
- ✓$125^{\circ}$
Answer
View full question & answer→Correct option: D.
$125^{\circ}$
D
MCQ 31 Mark
One of the base angles of an isosceles triangle is $50^{\circ}$. The vertical angle is
- A$50^{\circ}$
- B$65^{\circ}$
- ✓$80^{\circ}$
- D$25^{\circ}$
Answer
View full question & answer→Correct option: C.
$80^{\circ}$
C
MCQ 41 Mark
Each angle of an equilateral triangle measures
- A$30^{\circ}$
- B$45^{\circ}$
- C$50^{\circ}$
- ✓$60^{\circ}$
Answer
View full question & answer→Correct option: D.
$60^{\circ}$
D
MCQ 51 Mark
The sum of two angles of a triangle is $60^{\circ}$. The third angle is
- A$30^{\circ}$
- B$60^{\circ}$
- C$90^{\circ}$
- ✓$120^{\circ}$
Answer
View full question & answer→Correct option: D.
$120^{\circ}$
D
MCQ 61 Mark
The angles of a triangle are in the ratio $3: 4: 5$. The smallest angle of the triangle is
- A$30^{\circ}$
- ✓$45^{\circ}$
- C$50^{\circ}$
- D$60^{\circ}$
Answer
View full question & answer→Correct option: B.
$45^{\circ}$
B
MCQ 71 Mark
How many parts does a triangle have?
- A2
- B3
- C4
- ✓6
Answer
View full question & answer→Correct option: D.
6
D
MCQ 81 Mark
Which of the following can be the angles of a triangle?
- A$30^{\circ}, 40^{\circ}, 50^{\circ}$
- B$40^{\circ}, 50^{\circ}, 60^{\circ}$
- ✓$50^{\circ}, 60^{\circ}, 70^{\circ}$
- D$55^{\circ}, 65^{\circ}, 75^{\circ}$
Answer
View full question & answer→Correct option: C.
$50^{\circ}, 60^{\circ}, 70^{\circ}$
C
MCQ 91 Mark
In the adjoining figure, the point $P$ lies
- Aon $\triangle ABC$
- Bin the exterior of $\triangle ABC$
- ✓in the interior of $\triangle ABC$
- Dnone of these
Answer
View full question & answer→Correct option: C.
in the interior of $\triangle ABC$
C
MCQ 101 Mark
Which of the following lengths can be the sides of a triangle?
- A$5 cm, 4 cm, 9 cm$
- B$6 cm, 3 cm, 10 cm$
- ✓$6 cm, 7 cm, 8 cm$
- D$5 cm, 5 cm, 11 cm$
Answer
View full question & answer→Correct option: C.
$6 cm, 7 cm, 8 cm$
C
MCQ 111 Mark
Assertion (A) : The point of intersection of the medians of a triangle is called its orthocentre.
Reason (R) : There are three medians in a triangle.
Reason (R) : There are three medians in a triangle.
- ABoth Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
- BBoth Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of Assertion (A).
- CAssertion (A) is true but Reason (R) is false.
- ✓Assertion (A) is false but Reason (R) is true.
Answer
View full question & answer→Correct option: D.
Assertion (A) is false but Reason (R) is true.
D
MCQ 121 Mark
Assertion (A) : In the figure, $\angle BAC =90^{\circ}$ and $AD \perp BC$. The number of right triangles in the figure is 3.
Reason (R) : If one angle of a triangle is $90^{\circ}$, then it is called a right angled triangle.
Reason (R) : If one angle of a triangle is $90^{\circ}$, then it is called a right angled triangle.
- ✓Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
- BBoth Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of Assertion (A).
- CAssertion (A) is true but Reason (R) is false.
- DAssertion (A) is false but Reason (R) is true.
Answer
View full question & answer→Correct option: A.
Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
A