Class 7
Math
Example [M-7.55]
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Q1.
Can an acute angle be adjacent to an obtuse angle ?
Yes
No
Insufficient data
cannot be decided
Q2.
What additional information you need to prove that ∆RST ≅ ∆WUV by RHS congruence rule, when it is given that RT = WV is the hypotenuse and RS = WU is any other side of the triangle?
∠S = ∠V = 90
^{o}
∠S = ∠U = 90
^{o}
∠R = ∠W = 90
^{o}
∠T = ∠V = 90
^{o}
Q3.
Which of the following pair of angles are complementary ?
A and B
B and C
A and D
B and D
Q4.
Refer the following diagram. Select correct congruent triangles from the below options ?
∆BAC ≅ ∆CDA
∆ABC ≅ ∆CAD
∆ABC ≅ ∆CDA
∆ACB ≅ ∆CDA
Q5.
State True or False: "Two right angles can be complement to each other".
TRUE
FALSE
Blank
Blank
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Q6.
In the below diagram, angles 1, 2, 3 and 4 are called as --------------- ?
Interior angles
Exterior angles
Corresponding angles
alternate interior angles
Q7.
--------------- angle is the supplement of the 118
^{o}
angles ?
18
^{o}
28
^{o}
32
^{o}
62
^{o}
Q8.
In the below diagram identify angle AOD when angle AOB is 90
^{o}
and BOC is 15
^{o}
.
45
^{o}
15
^{o}
75
^{o}
350
^{o}
Q9.
Among two complementary angles the measure of larger angle is 18
^{o}
more than the smaller angle. Find their measures.
Smaller angle = 36 degrees, bigger angle = 54 degrees
Smaller angle = 30 degrees, bigger angle = 60 degrees
Smaller angle = 35 degrees, bigger angle = 55 degrees
Smaller angle = 26 degrees, bigger angle = 64 degrees
Q10.
Two angles forming a linear pair are ---------------.
complementary angles
supplementary angles
right angles
acute angles
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