Q53 of 60 Page 136

Using only the two set-squares of the geometry box, an angle of 15° can be drawn.

True

A 15° angle is the difference between a 45° angle and a 30° angle and hence can be drawn with the help of set-squares.


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51

With a given centre and a given radius, only one circle can be drawn.

 52

Using only the two set-squares of the geometry box, an angle of 40o can be drawn.

 54

If an isosceles triangle has more than one line of symmetry, then it must be an equilateral triangle.

 55

A square and a rectangle have the same number of lines of symmetry.