4women must cross a bridge over a deep ravine in enemy territory in the middle of the night. the bridge will only old two women at once and it is necessary to carry a lantern while crossing. one of the women requires 25 minutes, one 20 minutes, one 10 minutes and one 5 minutes. each of them can walk slower but not faster. unfortunately they have only one lantern among them. how can they make the crossing if they have only 60 minutes before the bridge is destroyed?

Solve these problems: 1.what is the perimeter of an equilateral triangle with sides measuring 6cm? 2. a regular pentagon has sides measuring 3.2 cm. what is its perimeter? 3. a regular decagon has sides of 3.5mm . what is it’s perimeter? 4. a regular octagon has a perimeter of 64cm. what is the length of one of the sides? 5. a regular hexagon has a perimeter of 72mm . what is the length of one of the sides? 6. what is the perimeter of a rhombus with sides measuring 11m?