3×2+14=20
20×3+18=78
78×4+22=334
334×5+26=1696
1696×6+30=10206
Hence, the question mark should be replaced by 10206
The answer is 18 + 6√3 or 18 + <span>√108.</span>
In a<span> 30°-60°-90° triangle, the hypotenuse (c) is twice the length of the shorter leg (a):
c = 2a </span>⇒ a = c ÷ 2 = 12 ÷ 2 = 6<span>
In a </span>30°-60°-90° triangle, the longer leg is equal to the shorter leg multiplied by √3:
b = √3a = √3 · 6
Now we have the length of all three sides:
a = 6
b = 6√3 = √6² · √3 = √36 · √3 = √(36 · 3) = √108
c = 12
So, the perimeter (P) of the triangle is:
P = a + b + c = 6 + 6√3 + 12 = 18 + <span>6√3 = 18 + </span>√108
12(8+t) Use distributive
96+12t
Answer:
good
Step-by-step explanation:
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