Mathematics
Fill in the blanks:
(i) A ruler is used to draw line ….. and to measure their …..
(ii) A divider is used to compare …..
(iii) A compass is used to draw circles or arcs of …..
(iv) A protractor is used to draw and measure …..
(v) The set squares are two triangular pieces having angles of …….. and …..
(vi) To bisect a line segment of length 7 cm, the opening of the compass should be more than …..
(vii) The perpendicular bisector of a line segment is also its line of …..
Constructions
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Answer
(i) A ruler is used to draw line segments and to measure their lengths.
(ii) A divider is used to compare lengths of line segments.
(iii) A compass is used to draw circles or arcs of circles.
(iv) A protractor is used to draw and measure angles.
(v) The set squares are two triangular pieces having angles of 30°, 60°, 90° and 45°, 45°, 90°.
(vi) To bisect a line segment of length 7 cm, the opening of the compass should be more than 3.5 cm.
(vii) The perpendicular bisector of a line segment is also its line of symmetry.
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Related Questions
Construct a square of side 5 cm, with a small circle of radius 1 cm inside it, having the same centre as the square.

Can you construct a square in the centre of a rectangle as shown in the adjoining figure?

State whether the following statements are true (T) or false (F):
(i) There is only one set square in a geometry box.
(ii) An angle can be copied with the help of a ruler and compass.
(iii) The perpendicular bisector of a line segment can be drawn by paper folding.
(iv) A perpendicular to a line from a given point not on it can be drawn by paper folding.
(v) A 45° - 45° - 90° set square and a protractor have the same number of line(s) of symmetry.
A circle of any radius can be constructed with the help of a:
ruler
divider
compass
protractor