Shape and Fraction (Buổi 3)

How many incorrect sentences are there?

(1) None of the sides are equal.

(2) BC is the same length as DC

(3) AD is the same length as DC

(4) A kite has 2 line of symmetry

• 1

• 2

• 3

• 4

Work out measure of the each angle.

True or False :

A Pentagon has 6 sides.

• True

• False

A square has :

... angles are 90^o

A trapezium has :

... pair of parallel sides.

• 1

• 2

• 3

• 4

Give the correct name :

Give the correct name :

How many correct sentences are there ?

(1) A regular octagon has 9 sides the same length

(2) A regular octagon has 8 lines of symmetry

A decagon has ... lines of symmetry

• 17,5

• 15,7

• 16,2

• 12,6