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Chapter 9: Q2. (page 341)

In exercises 2-7 find the measure of the arc.

AB铃�

Short Answer

Expert verified

(a) The measure of an arc AB铃� is 50.

Step by step solution

01

Step 1. Given information:

The given figure is,

02

Step 2. Concept used:

Following properties are used here,

The arc length of a circle can be calculated with the radius and central angle.

03

Step 3. Applying the concept:

Here, in the figure

鈭�AOB=50掳

Since

mAB铃�=m鈭�AOB=50

Therefore, the measure of arc ABis 50.

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Most popular questions from this chapter

The diagram below shows tangent lines and circles. Find PD.

RS炉 and TU炉are common internal tangents to the circles. If RZ=4路7 and ZU=7路3, Find RS and TU.

JK炉 is tangent to 鈯�P and 鈯�Q.

JK=?

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?

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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