Q: What is the perimeter of a square whose area is 144 sq.cm?

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Circle, followed by square. circumference = 2 pi r so pi r = 50 so r = 50/pi; Area of circle = pi r2, = 2500/pi = 795.5 sqcm Square = 25 x 25 = 625 sqcm.

Shirley...! 3 x 3 = 9 sqcm

64 pi sqcm

66.98 sqcm

10.5 x 10.5 x pi = 346.5 sqcm

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Circle, followed by square. circumference = 2 pi r so pi r = 50 so r = 50/pi; Area of circle = pi r2, = 2500/pi = 795.5 sqcm Square = 25 x 25 = 625 sqcm.

256 sqcm

Shirley...! 3 x 3 = 9 sqcm

100 sqcm

64 pi sqcm

66.98 sqcm

Given this area, the sides measure 52.92734 cm

10.5 x 10.5 x pi = 346.5 sqcm

There are 2.54cm per inch. So this being a square function multiple 2.54x2.54=6.4516 take total sqcm and divide by 6.4516. Example 4"x4"=16"sq (4x2.54=10.16) x (4x2.54=10.16) 10.16x10.16=103.2256 sqcm 103.2256sqcm/6.4516=16"sq

Surface area of a sphere = 4*p*radius2 4*pi*radius2 = 2916 Divide both sides by 4*pi: radius2 = 232.047907 Square root both sides: radius = 15.23311875 cm

silicon solar cells of 2 sqcm produces 0.5V and power of 0.7W. So to get 20Volts 40 solar cells are to be connected in sieries.

If you mean whole 'numbers', then here are the rectangles:1 x 362 x 183 x 124 x 96 x 6(That last one is a square, which is a special rectangle.)