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 If recommended by your doctor, after 24 hours, gently clean the wound with water, thoroughly dry, and re-bandage it. 2  Gently wash off the dirt and crust that forms over the stitches. 3  If a light, yellow fluid drains from the wound, you may need to keep it covered.