Quadrilaterals
How many equal sides and right angles does a square have?
4
How many lines of symmetry does an equilateral triangle have?
3
How many angles does an equilateral triangle have?
180°
A circle has infinite lines of symmetry. True or false?
True
How many vertices does a Cylinder have?
0
To which family do rectangles belong?
The Parallelogram Family
How many lines of symmetry does an isosceles triangle have?
1
Complete the sentence:
Irregular shapes can be _______ (1) or _______ (2)
Irregular shapes can be concave or convex
How many lines of symmetry does an Ellipse have?
2 lines of symmetry
How many faces does a sphere have?
What are the two alternative names for a quadrilateral?
1. Quadrangle
2. Tetragon
Complete the sentence:
Equilateral triangles have all angles up to _____(1) and all sides _____(2) ______(3).
Equilateral triangles have all angles up to 60° and all sides equal length.
How many interior angles are there in a Hexagon?
720°
How many sides does a circle have? (3 answers- 100 points each)
1. 0 - No straight sides
2. One curved side
3. An infinite number of sides
How many faces, edges, and vertices does a Cube have? (3 answers- 100 points each)
Faces= 6
Edges= 12
Vertices= 8
Complete the sentence:
Kites have 2 pairs of equal sides which are ________ to each other.
Kites have 2 pairs of equal sides which are ADJACENT to each other.
Scalene triangles have two equal angles and no sides of equal length. True or False?
False
What is the interior angle of a regular pentagon?
108°
Step 1: Total of interior angles is 180 x (number of sides – 2) = 180 x (5 - 2) = 180 x 3 = 540°
Step 2: The interior angle = total of interior angles ÷ number of sides = 540 ÷ 5 = 108 ° Answer: 108 °
What are the names for the longest and shortest diameters of the Ellipse?
The major and minor axes
What is the other term for the apex of a Cone?
Vertex
Give the definition of a Trapezium/Trapezoid
Trapeziums/Trapezoids are quadrilaterals with no parallel sides
Give two properties of an obtuse triangle.
1. Obtuse triangles have one obtuse angle (an angle greater than 90°.
2. The other two angles are acute (less than 90°).
Give the formulae for calculating the total of interior angles in a Polygon. (There are two steps)
1. Total of interior angles= 180 x (number of sides - 2).
2. Interior angle of a regular polygon= total of interior angles/number of sides
Name 2 countries which have crescent shapes on their flags
Turkey and Algeria
How many faces, edges and vertices does a Triangular-based-pyramid have?
Face= 4
Edges= 6
Vertices= 4