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Chapter 2: Q19 (page 52)

Complete.

m鈭�FOB=?炉

Short Answer

Expert verified

The complete statement is: m鈭�FOB=120掳.

Step by step solution

01

Step 1. Observe the given diagram.

The given diagram is:

From the given diagram it can be noticed that:

鈭�BOC=60掳.

02

Step 2. Write the relation between the angles FOB and BOC.

The angles FOBand form the linear pair.

Therefore, the sum of the angles FOBand BOCis 180.

Therefore, 鈭�FOB+鈭�BOC=180.

03

Step 3. Find the value of the angle FOB.

鈭�FOB+鈭�BOC=180

鈭�FOB+60=180

鈭�FOB=180鈭�60

鈭�FOB=120

Therefore, the measure of the angleFOB is 120掳.

04

Step 4. Complete the given statement.

120掳The measure of the angle FOBis .

Therefore, the complete statement is: m鈭�FOB=120掳.

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Most popular questions from this chapter

Copy everything shown and supply missing statements and reasons.

Given: DW=ON

Prove: DO=WN

Proof:

State which postulate, definition, or theorem justifies the statement about the diagram.

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