Answer:
a. more samples need to be compared
c. the samples are not similar
Answer:
answer is 24.56cm
perimeter of half/semi circle =
r + 2r
<em>one semi circle semi circles perimeter: </em>
<em>*2+2*2 =10.283cm, </em>
<em>for two semi circles= 2*10.283 =20.566cm</em>
without the line below for two semi circle: 20.566-4-4=12.566 cm
both da side of rectangle is 6cm+6cm=12cm
now add the 12.566+12=24.56cm
Answer:

Step-by-step explanation:


Use <em>FOIL</em> method.


Answer:
Step-by-step explanation:
5 times 2 equales 10 divided by 40 eqauls 4 times 2 equals 8