Answer:

Step-by-step explanation:
Multiply straight across and reduce.
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√5 is √5!!!
It's irrational number.
2 < √5 < 3 because 2² = 4 < 5 < 3² = 9
√5 ≈ 2.236
We can start by separating the x^3, and that means we have to multiply both sides by 4, resulting in x^3=27. Next, we can find the cube root of both sides ( as x is the cube root of x^3), getting x=3
Answer:
306
Step-by-step explanation:
There are 102 triangles, a triangle has 3 sides, each side is 1 cm. 102 x 3=306