The lengths of the sides of the triangle are 12cm 5mm 4cm, 10cm 5mm express the lengths
| September 2, 2021 | education
The lengths of the sides of the triangle are 12cm 5mm 4cm, 10cm 5mm express the lengths of the sides in millimeters and find the perimeter of this triangle.
Since one centimeter contains 10 millimeters, the lengths of the sides of the triangle will be equal:
1.12 cm 5 mm = 12 * 10 + 5 = 125 mm
2.4cm = 4 * 10 = 40mm
3.10 cm 5 mm = 10 * 10 + 5 = 105 mm
The perimeter of a triangle is equal to the sum of the lengths of the three sides of this triangle:
125 + 40 + 105 = 270 mm
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