Which statement about adjacent angles is true?
a. they face toward each other.
b. they share a common side.
c. they sum to 90 .
d. they each must measure less than 90 .?

The statement which is true about adjacent angles is they share a common side.

Step-by-step explanation:

To Find : Which statement about adjacent angles is true?

Solution :

Definition:Two angles are said to be Adjacent when they have a common side and a common vertex

So, Option B is true i.e.  they share a common side.

Hence The statement which is true about adjacent angles is they share a common side.

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.