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Area of rectangle = l × b

= 10 × 15

= 150

Area of semicircle = 1/2 πr ^2

d= 10 , r = 10/2 = 5

=1/2 × 22/7 × 5×5

= 605/7 = 86.4

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.