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Published on: 13/05/2022
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Questions + Answers key
Take MCQ Maths Test1.
Use a protractor to draw an obtuse angle 120°.
2.
Use a Protractor to draw an angle 90º.
3.
From the figures given below, classify the following pairs of angles into supplementary and non supplementary

4.
Name the following angles as shown in the figure.

(i) ∠1 =
(ii) ∠2 =
(iii) ∠3 =
(iv) ∠1 + ∠2 =
(v) ∠2 + ∠3 =
(vi) ∠1 + ∠2 + ∠3 =
5.
Pick out the Acute angles from the given figures.

1.
![]() |
![]() |
![]() Place the centre of the protractor at the vertex P. Line up the ray\(\overrightarrow{PQ}\) with the 0° line. Then draw and label a point (R) at the 120° mark on the inner scale (anti clock wise) |
![]() Place the centre of the protractor at the vertex P. Line up the ray \(\overrightarrow{PQ}\) with the 0° line. Then draw and label a point (R) at the 120° mark on the outer scale (clock wise) |
![]() Remove the protractor and draw \(\overrightarrow{PR}\) to complete the angle. Now, ∠P = ∠QPR = ∠RPQ =120° |
![]() Remove the protractor and draw\(\overrightarrow{PR}\) to complete the angle. Now, ∠P = ∠QPR = ∠RPQ =120° |
2.
![]() |
![]() |
![]() Place the center of the protractor at the vertex P. Line up the ray \( \overrightarrow{P Q}\) with the 0° line. Then draw and label a point (R) at the 90° mark on the inner scale (anticlockwise) |
![]() Place the center of the protractor at the vertex P. Line up the ray \( \overrightarrow{P Q}\) with the 0° line. Then draw and label a point (R) at the 90° mark on the outer scale (clockwise) |
![]() Remove the protractor and draw \(\overrightarrow{PR}\) to complete the angle. Now, ㄥP=ㄥQPR=ㄥRPQ=900 |
![]() Remove the protractor and draw\(\overrightarrow{PR}\) to complete the angle. Now, ㄥP=ㄥQPR=ㄥRPQ=900 |
3.
ii) and iv) are supplementary angles
i) and iii) are non supplementary angles
4.
i) ∠1 = ∠CBD or ∠DBC
ii) ∠2 = ∠DBE or ∠EBD
iii) ∠3 = ∠ABE or ∠EBA
iv) ∠1+∠2 = ∠CBE or ∠EBC
v) ∠2 + ∠3 = ∠ABD or ∠DBA
vi) ∠1 + ∠2 + ∠3 = ∠ABC or ∠CBA
5.
(i), (ii) and (iii) are acute angles
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Tamilnadu Stateboard 6th Standard Subjects
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