Answer:
first one is D
second is B
third is B
Step-by-step explanation:
Answer:
c-12
Step-by-step explanation:
Pythagoras theorem states that a²+b²=c²
144+b²=c²
b²=c²-144
b=c-12
b=x
x=c-12
Answer:
15
Step-by-step explanation:
Answer:
f
Step-by-step explanation:
I'm pretty sure it's f from what I know