Perimeter and area

Question 8

Below are 3 squares. Each small square has a side length of 1 cm.

Find the perimeter of each square.
Find the area of each square.

i.
 
a cm  check answer for question 8 i. a.
b cm² check answer for question 8 i. b.
   
ii.
   
   
a cm   check answer for question 8 ii. a.
b

cm²  check answer for question 8 ii. b.

   
iii.
     
     
     
a cm  check answer for question 8 iii. a.
b cm²  check answer for question 8 iii. b.
   

Question 9

Sanjay has some tiles that are in the shape of regular hexagons.
The perimeter of each tile is 12 cm. He arranges them in a row with pairs of edges touching as shown.
A row of 5 regular hexagons.

He keeps adding tiles in the same way until he has a row with a perimeter of 100 cm.

 tiles check answer for question 9