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Chapter 9: Q6. (page 341)

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

CDA铃�

Short Answer

Expert verified

The measure of an arc CDA铃� is 230.

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�CDA=360鈭�鈭�鈭�ABC=360鈭�鈭�130鈭�=230鈭�

Since

mCDA铃�=m鈭�CDA=230

Therefore, the measure of arc CDA is 230.

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Most popular questions from this chapter

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�.)

Draw 鈯�Owith perpendicular radii OX炉and OY炉. Draw tangents to the circle at X and Y.

a. If the tangents meet at Z, what kind of figure is OXYZ? Explain.

b. If OX=5, find OZ.

JT炉is tangent to 鈯�Oat T. Complete.

If JK=9 and KO=8, then JT=?

Prove theorem 9.2

Consider RS鈫� and RS鈫�.Which is a chord and which is a secant?
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