The corners of solid shapes are called its __________.
A plane surface of a solid enclosed by edges is called __________ .
The common portion of two adjacent faces of a cuboid is called __________.
__________ and __________ are the capital letters of English alphabets that have one line of symmetry but they interchange to each other when rotated through 180°
__________ is a figure that has neither a line of symmetry nor a rotational symmetry.
__________ triangle is a figure that has a line of symmetry but lacks rotational symmetry.
Rhombus is a figure that has ______lines of symmetry and has a
rotational symmetry of order _______.
In an isosceles right triangle, the number of lines of symmetry is ________.
In which of the following cases, a unique triangle can be drawn
(a) AB = 4 cm, BC = 8 cm and CA = 2 cm
(b) BC = 5.2 cm, ∠B = 90° and ∠C = 110°
(c) XY = 5 cm, ∠X = 45° and ∠Y = 60°
(d) An isosceles triangle with the length of each equal side 6.2 cm.
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