Q: What is the perimeter of 2cm by 10 cm?

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wouldn't it just be 2cm times 10 so the answer is20cm

Its width would be 2cm. To find the missing dimension, divide the perimeter by two, then subtract the known variable.

If each side of a square is 10 cm, the perimeter is 4 x 10 cm = 40 cm.

1 cm = 10 mm2 cm = (2 x 10) = 20 mm

Normally, the amount of the side of the rectangle below the quarter circle on it would expected to be calculated. However, the radius of the circle equals the amount that is subtracted, but in calculating the perimeter it has to be added back in again as it forms part of the perimeter. Thus the perimeter is the perimeter of the rectangle plus a quarter of the circumference of the circle. → perimeter = 2 × (20cm + 2 cm) + ¼ × 2 × π × 11 cm ≈ 44 cm + 3.14 × 11/2 = 61.27 cm.

Related questions

wouldn't it just be 2cm times 10 so the answer is20cm

Assuming the measurements given are the lengths of the sides of a hexagon, the perimeter is 2 + 2 + 2 + 3 + 5 + 11 = 25 cm.

34 cm

12cm

32 cm

A rectangle with sides of 1cm and 6cm has an area of 6 cm2 and a perimeter of 14 cm. A rectangle with sides of 2cm and 3cm has the same area but its perimeter is 10 cm.

Its width would be 2cm. To find the missing dimension, divide the perimeter by two, then subtract the known variable.

If each side of a square is 10 cm, the perimeter is 4 x 10 cm = 40 cm.

It is: 5*2 = 10 square cm

1 cm = 10 mm2 cm = (2 x 10) = 20 mm

Normally, the amount of the side of the rectangle below the quarter circle on it would expected to be calculated. However, the radius of the circle equals the amount that is subtracted, but in calculating the perimeter it has to be added back in again as it forms part of the perimeter. Thus the perimeter is the perimeter of the rectangle plus a quarter of the circumference of the circle. → perimeter = 2 × (20cm + 2 cm) + ¼ × 2 × π × 11 cm ≈ 44 cm + 3.14 × 11/2 = 61.27 cm.

8+10+8+10= 36 cm