Circles
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   High School Geometry
High School Geometry
Math

 

(pre-made sample)
Name _____________________________
Date ___________________
(Key 1 - Answer ID # 1004418)
1.  

Draw a circle and inscribe an obtuse triangle in the circle.


2.  

How are circles defined and named?


3.  

What is a semicircle?


4.  

What is an inscribed polygon?


5.  

If a minor arc makes a central angle of 79, what is the measure of the angle made by its complementary major arc?


6.  

P and Q are congruent circles that intersect at C and D. If the radius is 9 cm and PQ = 8 cm, what is the area of quadrilateral PCQD?


7.  

An isosceles right triangle inscribed in a circle. If the length of the two equal sides is 15 cm, find the radius of the circle.


8.  

What is the distance between the endpoints of a semicircle? Explain how you got your answer.


9.  

What is wrong with the statement: "All radii are congruent."?


10.  

Can any chord on a circle be a radius?


11.  

Describe the three possible arcs that could be found on a circle.


12.  

Why are three letters needed to name a major arc?


13.  

Hannah is working on a sewing project. She has a circular piece of fabric, and needs to find the center. How can she do that?


14.  

Eight points lie on the circumference of a circle. How many inscribed triangles can be constructed having any three of these points as vertices?


15.  

The sum of all the arcs of a circle is how many degrees?

90

360

180

720

270

16.  

P and Q are congruent circles that intersect at C and D. What kind of quadrilateral must PCQD be?

a square

a rhombus

a trapezoid

a parallelogram




Circles
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   High School Geometry
High School Geometry
Math