Answer:
-4.03846153846
Step-by-step explanation:
done
Answer:Angles 1 and 3 are vertical angles
Step-by-step explanation:
12^2+x^2=15^2
144+x^2=225
- 144 -144
=81= 9
X=9
Sorry, misunderstood question, answer beneath me much better.
A right angle is 90 degrees, an obtuse angle is larger than 90 degrees and an acute angle is less than 90 Degrees.
The angle shown is smaller than 90 degrees so it is c. Acute
