Page 76 - 01-Yr5_Front cover-ccp.indd
P. 76
78
... B .... , , , ,
.. . ' . D I
' - - ·- ·- - -- - -- -- - ' ' C' • '
. . . t .. -~
Practical: using a pinboard to transform a parallelogram into a rectangle. Practical: drawing several different parallelograms with an area of 24 cm •
2
Practical: drawing the next two parallelograms in a sequence. Area of a Multiply the base by the perpendicular height.
2
shape A= 12cm •
b A=bxh
Challenge
Practical: drawing the next three shapes in the sequence. The areas are Practical: constructing different kites on RM G.
2
2
2
2
2
2
18 cm , 15 cm , 12 cm , q cm , 6 cm , 3 cm , because the base remains at
The area of a kite can be found by multiplying the length of one diagonal
3 cm and the height reduces by 1 cm each time.
by the other.
Practical: constructing a square on a pinboard and by moving two
2
vertices only, transform it into a parallelogram of the same areas. (8 cm )
2
2
Area B = 50 cm ; area C = 18 cm ; area D = 28 cm 2