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Chapter 9: Q4. (page 341)

Find the measure of central 鈭�1.

Short Answer

Expert verified

The measure of angle 鈭�1 is 50掳.

Step by step solution

01

Step 1. Given information:

The given figure is,

02

Step 2. Concept used:

In the circle the measure of arc is given.

Opposite angles are equal and the arc is equal to the angle that is asked.

03

Step 3. Applying the concept:

Here, we can see that in the figure.

Since both are vertically opposite angle so

Measure of arc=180鈭�鈭�130鈭�=50鈭�

As we know,

鈭�1= measure of arc

=50掳

Therefore, the measure of the angle 鈭�1 is 50掳.

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Most popular questions from this chapter

Quad. ABCD is circumscribed about a circle. Discover and prove a relationship between AB+DC and AD+BC.

In the diagram, which pairs of angles are complementary? Which pairs of angles are supplementary?

JT炉 is tangent to 鈯�O at T. Complete.

If OT=6 and JO=10, then JT=?

What name is given to point of 鈯�o.

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.
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