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CBSE Grade VII - The Triangle and its Properties
Question
1
1.
If all the three angles of a triangle are of the same measure, find the measure of each of the angles.
61°
62°
58°
60°
59°
Question
2
2.
In a right angled triangle, if the two non-hypotenuse sides are 4 cm and 3 cm, find the hypotenuse
4.00 cm
5.00 cm
3.00 cm
7.00 cm
6.00 cm
Question
3
3.
In the following figure, one side of a triangle has been produced. Find all the angles of the triangle.
K
=
58°
,
L
=
45°
,
M
=
77°
K
=
62°
,
L
=
45°
,
M
=
73°
K
=
60°
,
L
=
45°
,
M
=
75°
K
=
58°
,
L
=
47°
,
M
=
75°
K
=
60°
,
L
=
43°
,
M
=
77°
Question
4
4.
Which of the following are measures of an isosceles triangle ?
DE = 15 cm , EF = 12 cm , FD = 15 cm
DE = 14 cm , EF = 11 cm , FD = 13 cm
DE = 12 cm , EF = 13 cm , FD = 17.69 cm
DE = 10 cm , EF = 11 cm , FD = 13 cm
DE = 10 cm , EF = 10 cm , FD = 10 cm
Question
5
5.
The name of the triangle is
△HIJ
△GHJ
△FGI
△FGH
△GHI
Question
6
6.
Which of the following are measures of a scalene triangle ?
KL = 10 cm , LM = 14 cm , MK = 10 cm
KL = 11 cm , LM = 11 cm , MK = 15.56 cm
KL = 11 cm , LM = 12 cm , MK = 11 cm
KL = 10 cm , LM = 10 cm , MK = 10 cm
KL = 12 cm , LM = 15 cm , MK = 10 cm
Question
7
7.
The median corresponding to the side
JK
LO
KN
JK
JN
JM
Question
8
8.
Find the unknown marked angles in the following figure
x
=
107°
,
y
=
147°
x
=
110°
,
y
=
150°
x
=
111°
,
y
=
151°
x
=
108°
,
y
=
148°
x
=
109°
,
y
=
149°
Question
9
9.
The altitude corresponding to the side
EF
FI
EF
EI
EH
GJ
Question
10
10.
Which of the following are measures of an obtuse angled triangle ?
∠B = 46.46° , ∠C = 52.26° , ∠D = 81.28°
∠B = 45° , ∠C = 90° , ∠D = 45°
∠B = 126.46° , ∠C = 26.77° , ∠D = 26.77°
∠B = 47.12° , ∠C = 90° , ∠D = 42.88°
∠B = 68.68° , ∠C = 52.02° , ∠D = 59.3°
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