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Byju's Answer
Standard VII
Mathematics
Construction of Given Angles from Standard Angles
With a ruler ...
Question
With a ruler and compass which of the following angle cannot be constructed?
A
80
∘
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B
60
∘
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C
30
∘
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D
105
∘
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Solution
The correct option is
A
80
∘
With a ruler and compass we can construct
15
∘
,
30
∘
,
45
∘
,
60
∘
,
90
∘
,
105
∘
etc. . We cannot construct
80
∘
.
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Q.
Construct the following angles with the help of ruler and compasses only:
(i) 30°
(ii) 90°
(iii) 45°
(iv) 135°
(v) 150°
(vi) 105°