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Chapter 9: Q8. (page 330)

Name a secant of the sphere and a chord of the sphere.

Short Answer

Expert verified

Chord is AB and secant is AB.

Step by step solution

01

Step 1. Given information. 

Figure is given.

02

Step 2. Concept used.

Chord of the sphere is the segment that joins any two points of the circle.

Secant is a plane containing a nontrivial section of a sphere.

03

Step 3. Name the secant and chord.

Chord of the sphere is the segment that joins any two points of the circle.

Therefore, chord is AB.

Secant is a plane containing a nontrivial section of a sphere.

Therefore, secant is AB.

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Most popular questions from this chapter

a. Draw a three large circles and inscribe a different shaped quadrilateral ABCDin each.

b. Use a protractor to measure all the angles.

c. Compute m鈭�A+m鈭�C and m鈭�B+m鈭�D..

d. What is the relationship between opposite angles of an inscribed quadrilateral?

a. Given:WZ炉is a diameter of 鈯�o;OX炉鈭�ZY炉

Prove: WX铃�鈮�XY铃�.

(Hint: draw OY铃�.)

For each exercise draw 鈯�O with radius 12. Then draw radii OA炉 and to OB炉 form an angle with the measure named. Find the length of AB炉.

a. m鈭�AOB=90掳

Find the radius of the circle inscribed in the triangle.

鈯�Q and 鈯�R are congruent circles the intersect at C andD. CD炉 is called the common chord of the circles.

  1. What kind of quadrilateral is QDRC? Why?
  2. CD炉Must be the perpendicular bisector of 鈯�Q. Why?
  3. If QC=17 and QR=30, find CD.
See all solutions

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