Find two consecutive even integers such that the smaller added to four times the larger gives a sum of 48.

the highest percentage for deaths in construction from highest to lowest is as follows: falls, struck by objects, electrocution, and caught-in/between. these four are collectively known as fatal four.

in the case of falls, the type that is responsible for the overall highest death in the category is falls from roofs.

m∠a is 90°

m∠b is 40°