The answer is 35cm 2. To find the area, you need to divide the shape into a rectangle and a triangle: The area of the rectangle is 5 Ã 4 = 20cm 2. The base of the triangle is calculated by subtracting the base of the rectangle (4cm) from the total length of the shape (10cm).
A handful of studies have found that when wounds are kept moist and covered, blood vessels regenerate faster and the number of cells that cause inflammation drop more rapidly than they do in wounds allowed to air out. It is best to keep a wound moist and covered for at least five days.
1 Keep a clean dressing on your wound. 2  Dressings keep the wound warm and moist, keep out germs and protect the wound from injury. 3  They also help absorb fluid that drains from the wound and could damage the skin around it. 4  Be careful. 5  Protect the wound from trauma or injury. 6  Donât let anything touch it or bump it.