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Find the radius of a circle with diameter \( d = 85 \).

The radius is \(\square\) yards.

Simplify your answer. Type a whole number.


Sagot :

To find the radius of a circle given its diameter, you need to use the relationship between the diameter and the radius. The radius \( r \) is half of the diameter \( d \). Mathematically, this can be expressed as:

[tex]\[ r = \frac{d}{2} \][/tex]

Given the diameter \( d = 85 \) yards, follow these steps:

1. Substitute the value of the diameter into the formula:

[tex]\[ r = \frac{85}{2} \][/tex]

2. Perform the division:

[tex]\[ r = 42.5 \][/tex]

So, the radius of the circle is [tex]\(\boxed{42.5}\)[/tex] yards.