Answer: 12.65 ft
Pythagorean theorem is
+
= 
So,
+
= 
169 - 9 = 160
is 12.65.
Hope it helps.
Step-by-step explanation:
the answer is $1,145.39
Answer:
14
Step-by-step explanation:
20-6=14
x=14
It should be 100 because it has to add up to 180 and 50+30=80 so the third angle must be 100