Circles
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High School Geometry
High School Geometry
Math

 Name _____________________________ Date ___________________ (Key 1 - Answer ID # 0696007)
1.

In the figure, the radius for P is r and the radius for Q is R. Which of the following statement is true?

 Circles P and Q have two common tangents. PQ = R - r PQ = R + r Circles P and Q have four common tangents.

2.

Given circle O with segment AB tangent to the circle at A. If OA = AB, what kind of triangle is OAB?

 a scalene triangle an isosceles right triangle an equilateral triangle an equilateral acute triangle an isosceles obtuse triangle

3.

The radius of the inscribed circle is 3. If the length of the hypotenuse of the right triangle ABC is 20, what is the perimeter of the triangle?

4.

and are tangents to circle O. If OA = 30 cm, OP = 15 cm, and mPAQ = 60, find the area of quadrilateral OPAQ.

5.

, , and are tangents to circle O. If PA = 23, find the perimeter of triangle PRS.

6.

If OM = 5 and AB = 20, what is the radius of O?

Circles
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