Fill in the blanks using place value: 43 ones x 3 tens =

43 ones is equal to 4.3 tens, and 4.3 times 3 is equal to 12.9

You have 2 sides that are 2 cms and you have 6 sides that are 1/2 cm and you have 4 sides that are 1 cm. the smallest sides are 1/2 the medium sized sides are 1 and the smallest are 1/2. so to find the perimeter you have to add them all up together so your answer will be 11 cm's