Q: What is the perimeter of 8cm by 20 cm?

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Perimeter = 20+8+20+8 = 56 cm.....

The perimeter is 3 times 8 = 24 cm

3*8 cm = 24 cm.

Each side is 8cm so the perimeter is 4*8 = 32 cm

It does not have a circumference but its perimeter is: 4+6+8 = 18 cm

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Perimeter = 20+8+20+8 = 56 cm.....

Divide the perimeter length by 4 ie 8cm and square the result ie 8cm x 8cm = 64sq cm

It is: 7+8+12 = 27 cm

The perimeter is 3 times 8 = 24 cm

P = 46 cm A = 120 sq cm

8cm !

3*8 cm = 24 cm.

Each side is 8cm so the perimeter is 4*8 = 32 cm

2*(40 + 8) = 2*48 = 96 cm.

8*pi + 16 = 41.13 cm (approx)It depends on whether 8 cm is the radius or diameter of the semicircle.

just add them all together. 8+8+3+3 =22 CM

It does not have a circumference but its perimeter is: 4+6+8 = 18 cm