Answer:
the first three are the answer
Step-by-step explanation:
The correct answer is A.) Obtuse.
When an angle is over 90° it is considered an obtuse angle. Any angle that measures under 90 is an acute angle.
Step-by-step explanation:
Here
BC=P=10
AC=B=b
AB=H=15
then using fourmula
h^2= p^2+ b^2
b^2= 15×15 - 10× 10
b^2= 125
b=11.2
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