9cm is longer because 86mm is equal to 8.6cm.
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If you are talking about 9cm, 9cm and 1cm then yes it can form a triangle because this would be an isosceles triangle. The two longer sides add up to longer than the short side so it can be a triangle.
Divide by 10.
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.
There is no answer
If you are talking about 9cm, 9cm and 1cm then yes it can form a triangle because this would be an isosceles triangle. The two longer sides add up to longer than the short side so it can be a triangle.
9cm + 5cm + 9cm + 5cm = 28cm
Divide by 10.
9cm
86 millimeters is 3.39 inches.
Perimeter = 6cm + 6cm + 9cm + 9cm = 30cm
it is 81cm
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
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