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Alisiya [41]
4 years ago
5

The diameter of a circle has endpoints whose coordinates are R(-2, 2) and S(4, 2). what is the length of the radius?

Mathematics
2 answers:
zepelin [54]4 years ago
6 0

Answer: 3 units

Step-by-step explanation:

Using distance formula :

\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

The diameter of the circle with endpoints  R(-2, 2) and S(4, 2) will be

d=\sqrt{(4+2)^2+(2-2)^2}=\sqrt{36}=6\ units

Since, the radius of a circle is half of the diameter.

Then the radius of the circle will be

r=\dfrac{d}{2}=\dfrac{6}{2}=3\ units

Hence, the radius of the circle = 3 units.

IgorC [24]4 years ago
3 0

Answer:

the answer is 3

Step-by-step explanation:

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Answer:

<u>PQ = 54</u>

Step-by-step explanation:

The rest of the question is the attached figure.

As shown:

triangle RPQ is similar to triangle RTS.

So, the corresponding sides are in proportion.

\frac{PQ}{TS}= \frac{RP}{RT}

From the figure:

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