Given triangle abc ~ triangle def. what is the value of x?

if triangles are similar then corresponding internal angles are equal

=》 x = 180-(50+60) = 70degrees

40% off the regular price is the correct answer.

step-by-step explanation:

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.