Question

1) Identify the odd one out.
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Isosceles
Equilateral
Scalene
Obtuse
2) A line segment joining any vertex of a triangle to the mid-point of its opposite side is called a
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altitude
median
diagonal
none of these
3) If one acute angle of a right triangle 25°, then the other angle is _____.
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60°
65°
25°
55°
4) Which of the following statements is correct?
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A triangle have two right angles.
A triangle can have two obtuse angles.
A triangle can have all angles less than 60°
A triangle can have three acute angles.
5) How many altitudes can a triangle have?
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1
3
2
4
6) Vertex opposite the side RT of △ RST
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Captionless Image
S
T
R
none of these
7) In △ PQR, PM is
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Captionless Image
median
altitude
bisector
side
8) The value of x in the following figure is
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Captionless Image
25°
90°
35°
45°
9) One of the angles of a triangle is 100° and the other two angles are equal. Find the measure of each of these equal angles.
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45°
40°
42°
41°
10) How many acute angles can a right triangle have?
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1
0
3
2
11) Find angle x in below figure
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Captionless Image
90°
60°
40°
80°
12) A triangle in which two sides are of equal lengths is called
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Isosceles
Equilateral
Scalene
Acute angled triangle
13) Side opposite to the vertex Q of △ PQR
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PQ
PR
QR
none of these
14) In a △ XYZ, ∠X = 88° and ∠Z=48°, then the measure of ∠Y is
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45°
44°
41°
42°
15) The elements of a triangle constitute
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3 angles and 3 vertices
3 medians and 3 altitudes
3 angles and 3 sides
3 sides and 3 vertices
16) Find the values of angles x and y in the following figure.
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Captionless Image
x=50°, y=80°
x=80°, y=50°
x=60°, y=80°
x=70°, y=50°
17) The three angles of a triangle are in the ratio 1:2:1. Find all the angles of the triangle and choose the correct option.
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45°, 90°, 45°
30°, 60°, 30°
40°, 80°, 40°
35°, 70°, 35°
18) The exterior angle of a triangle can be a straight angle. State true or false.
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True
False
19) The sum of an exterior angle of a triangle and its adjacent interior angle is
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90°
360°
180°
none of these
20) An exterior angle of a triangle is of measure 80º and one of its interior opposite angles is of measure 35º. Find the measure of the other interior opposite angle.
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55º
115º
45º
35º

Answer 1

Answer:

1) Obtuse

2) median

3) 65°

4) A triangle have two right angles

5) sorry i am not sure about that

6) S

7) altitude

8) FIGURE IS NOT INCLUDED SORRY

9) 40°

10) 2

11) IMAGE NOT FOUND SORRY. YOU CAN ATTACH SCREENSHOT OR PHOTO OF THAT.

12) Isosceles

13) PR

14) 44°

15) 3 angles and 3 vertices

3 angles and 3 sides

3 sides and 3

16) FIGURE IS NOT INCLUDED. SORRY I CANT SEE THOSE IMAGES IN THIS QUESTION

17) 45°, 90°, 45°

18) True

19) 180°

20) 45º