1 : 100,000
Because there are 100cm in a m and 1000m in a km
100 x 1000 = 100,000
Answer:
theres 2
Step-by-step explanation:
20) Answer is: x=76
21) Answer is x=15
Answer:
15
Step-by-step explanation:
<em>Formula:</em>

<em>Plug in the values:</em>

<em>Simplify LHS:</em>

<em>Multiply by 1936 on both sides:</em>

<em>Simplify RHS:</em>

<em>Square root both sides:</em>
Answer: The radius is 4 units. (Answer B)