Please post the question with an attachment of what you want to be answered next time.
Answer: I would say Side-Angle-Side
Step-by-step explanation:
Answer: 
Step-by-step explanation:
The given equation : 
Using logarithmic property : 
The given equation will be equivalent to 

Subtract 7 from both sides , we get

Divide both sides by 3 , we get

Hence, the solution is 
Answer:
r = 6 in
Step-by-step explanation:
=
r²h/3 = 216
r² (18/3) = 6 r² = 216
r² = 216/6 = 36
r = 6
Answer:
Step-by-step explanation:
x²+x²=9²
2x²=81
x²=81/2=(81×2)/4
x=9√2/2≈4.5√2≈6.36
9.
x²+x²=11²
2x²=11²
x²=11²/2
x=11/√2=11√2/2≈7.78