Friday

December 19, 2014

December 19, 2014

Posted by **Connor** on Thursday, January 19, 2012 at 5:22pm.

the numbers on each sides are 22 25 and 11

What is it's perimeter and area?

Answer: P is 58 A is 345

There's a rectangle

the numbers on 2 of the sides says 4 and 1

What is the Perimeter and area?

Answer: P is 10 and A is 4

There's a rectangle

the numbers are 27 and 21

What is the perimeter and area?

Answer: P is 136 and A is 987

There's a square

the number is 24

What is the perimeter and area?

Answer: P is 96 and A is 576

There's a triangle

the numbers are 1.5, 3, and 2

What is the perimeter and area?

Answer: P is 6.5 and A is 4.500

There is a square

the number is 30

what is the perimeter and area?

Answer: P is 120 and A is 900

There is a rectangle

the numbers are 13 and 17

what is the perimeter and area?

Answer: P is 60 and A is 220

Are all of these correct?

- Math -
**Steve**, Friday, January 20, 2012 at 12:11am1.

I get A = 120.9

Even if it were a rectangle 25x11, the area would only be 275.

s = 58/2 = 29

A = sqrt(29*7*4*18)

2.

P = 2(27+21) = 96

A = 27*21 = 567

Am I reading the wrong numbers here? How did you arrive at your first two answers?

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