Q: What is the perimeter of the trianlge 8cm 9cm 10cm?

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So?

If you're talking about a five sided figure, just add up your figures.

No because the 3 sides of an equilateral triangle are equal in length

The area of a rectangle of sides 9cm and 10cm is:9cm x 10cm = 90cm2This is equivalent to 0.009m2

Dimensions are given out as length by width 14cm by 1cm 13cm by 2cm 12cm by 3cm 11cm by 4cm 10cm by 5cm 9cm by 6cm 8cm by 7cm And the rest is all repeats of the above.

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So?

The answer is, you can draw a rectangle with these measurements: 6cm and 9cm 5cm and 10cm 7cm and 8cm

If you're talking about a five sided figure, just add up your figures.

6+9+7+10=32 ÷ 4 = 8cm

No because the 3 sides of an equilateral triangle are equal in length

1cm more because 9cm+1cm = 10cm

The area of a rectangle of sides 9cm and 10cm is:9cm x 10cm = 90cm2This is equivalent to 0.009m2

Dimensions are given out as length by width 14cm by 1cm 13cm by 2cm 12cm by 3cm 11cm by 4cm 10cm by 5cm 9cm by 6cm 8cm by 7cm And the rest is all repeats of the above.

Perimeter = 6cm + 6cm + 9cm + 9cm = 30cm

All you do is add the sides up for the perimeter. 12 + 10 + 9 = 31

A=bxh

there are 10mm in a cm, so 88mm is closer to 9cm because it is 8.8cm