Answer:
23°
Step-by-step explanation:
23° because AD divide BAC into 2 equal parts
Answer:

Step-by-step explanation:
in this case,
is your number. we will always note square with the tiny two at the top of the number.
Four less than anything is easily shown with a minus four.
eg. four less of 12 square:
= :)
The answer is B 1 =52 2=66