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What is the perimeter of a 2 cm decagon?
wouldn't it just be 2cm times 10 so the answer is20cm
What is the width of a rectangle with a perimeter of 34 cm and a length of 15 cm?
Its width would be 2cm. To find the missing dimension, divide the perimeter by two, then subtract the known variable.
What is the perimeter of 10 square centimeters?
If each side of a square is 10 cm, the perimeter is 4 x 10 cm = 40 cm.
How many mm are in 2cm?
1 cm = 10 mm2 cm = (2 x 10) = 20 mm
What is the perimeter of a rectangle that is 20cm by 2cm which has a quarter circle of radius 11cm on one 20cm side running off the 2cm side using 3.14 for π?
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.
