9cm + 5cm + 9cm + 5cm = 28cm
there are 10mm in a cm, so 88mm is closer to 9cm because it is 8.8cm
18 square cm
83
9cm
9cm + 5cm + 9cm + 5cm = 28cm
9cm
Perimeter = 6cm + 6cm + 9cm + 9cm = 30cm
it is 81cm
there are 10mm in a cm, so 88mm is closer to 9cm because it is 8.8cm
18 square cm
The area of a rectangle of sides 9cm and 10cm is:9cm x 10cm = 90cm2This is equivalent to 0.009m2
If you're talking about a five sided figure, just add up your figures.
10mm=1cm therefore 90mm=9cm
9cm is longer because 86mm is equal to 8.6cm.
54
Pentagon has 5 sides Regular => each side 9cm => perimeter = 5 x 9cm = 45cm