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Published on: 29/08/2019
Practical Geometry
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1.
To construct an equilateral triangle with a given side, which of the following is used?
Each angle of an equilateral triangle is 90°.
The sum of three angles of a triangle is less than 180°.
The sum of any two sides is equal to the third side.
Each angle of an equilateral triangle is 60°.
2.
Which of the following is the measures of a right angled triangle?
7 cm, 3 cm, 9 cm
4·5 cm, 6 cm,5 cm
8 cm, 15 cm, 17 cm
4 cm, 3·5 cm, 4 cm.
3.
Which of the following cannot be the side of a triangle?
8 cm,5 cm, 4 cm
10 cm, 10 cm, 4 cm
10 cm, 6 cm, 4 cm
9 cm, 8 cm, 7 cm.
4.
A triangle can be constructed by taking two of its angles as
110°, 40°
70°,115°
135°, 45°
90°,90°
5.
A triangle can be constructed by taking its sides as.
1.8 cm, 2.6 cm, 4.4 cm
2 cm, 3 cm, 4 cm
2.4 cm, 2.4 cm, 6.4 cm
3.2 cm, 2.3 cm, 5.5 cm
6.
In right triangle, the measure of one of the acute angles is 65°. The measure of the other acute angle is____________.
7.
In a right triangle, the longest side is called ______________.
8.
In an isosceles right triangle, the measure of each of the angle opposite to the equal sides is_______________.
9.
The angle opposite to \(\overline{PQ}\) is_____________

10.
The construction of an equilateral triangle can done, if the value of the given angles should be equal to__________.
11.
The angle bisector of an angle, divide the angle in two__________angles.
12.
The bisector of a line segment, divide the line segment in two___________parts.
13.
A right angled triangle can be constructed, if the given angles are 90°, 60° and 70°.
14.
The angle made by angle bisector is always half of the angle.
15.
The distance between the two parallel lines is the same everywhere.
16.
We can draw exactly one triangle whose angles are 70°, 30° and 80°.
17.
\(\angle A=45^0,\angle B=45^0,\)AB= 4 cm
18.
\(\angle A=60^0,\angle B=75^0,\)AB= 4 cm
19.
\(\angle A=60^0,\angle B=60^0,\)AB= 4 cm
20.
\(\angle A=90^0,\angle B=45^0,\) AB= 4 cm
21.
Write the angle measures of an isosceles right angled triangle.
22.
Can we draw a mangle having sides 2, 3 and 5?
23.
Can 45°, 60° and 40° be the angles of an acute angled mangle?
24.
What is the each angle of an equilateral mangle?
25.
Can we draw a mangle having two right angles?
1.
(d)
Each angle of an equilateral triangle is 60°.
2.
(c)
8 cm, 15 cm, 17 cm
3.
(c)
10 cm, 6 cm, 4 cm
4.
(a)
110°, 40°
5.
(b)
2 cm, 3 cm, 4 cm
6.
( )
25°
7.
( )
the hypotenuse
8.
( )
45°
9.
( )
\(\angle\)R
10.
( )
600
11.
( )
equal
12.
( )
equal
13.
(b)
14.
(a)
15.
(a)
16.
(b)
17.
( )

18.
( )

19.
( )

20.
( )

21.
( )
45°,45°,90°.
22.
( )
No, Sum of two sides must be greater than the third side.
23.
( )
No
24.
( )
60°
25.
( )
No.
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CBSE 7th Standard CBSE Subjects
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