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 In delayed primary closure, the wound is first cleaned and observed for a few days to ensure no infection is apparent, before it is surgically closed. 2  Examples of wounds that are closed in this way include traumatic injuries such as dog bites or lacerations involving foreign bodies.