Chapter 2: Q19 (page 52)

Complete.
$m ∠ F O B = \underline{?}$

Short Answer

Expert verified

The complete statement is: $m ∠ F O B = 120 °$ .

Step by step solution

Step 1. Observe the given diagram.

The given diagram is:

From the given diagram it can be noticed that:

$∠ B O C = 60 °$ .

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

The angles $F O B$ and form the linear pair.

Therefore, the sum of the angles $F O B$ and $B O C$ is 180.

Therefore, $∠ F O B + ∠ B O C = 180$ .

Step 3. Find the value of the angle FOB.

$∠ F O B + ∠ B O C = 180$

$∠ F O B + 60 = 180$

$∠ F O B = 180 - 60$

$∠ F O B = 120$

Therefore, the measure of the angle $F O B$ is $120 °$ .

Step 4. Complete the given statement.

$120 °$ The measure of the angle $F O B$ is .

Therefore, the complete statement is: $m ∠ F O B = 120 °$ .

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Complete.
$m ∠ F O B = \underline{?}$

Short Answer

Step by step solution

Step 1. Observe the given diagram.

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

Step 3. Find the value of the angle FOB.

Step 4. Complete the given statement.

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Complete.m∠FOB=?¯

Short Answer

Step by step solution

Step 1. Observe the given diagram.

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

Step 3. Find the value of the angle FOB.

Step 4. Complete the given statement.

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Geometry

Applied Mathematics

Theoretical and Mathematical Physics

Logic and Functions

Discrete Mathematics

Calculus

Study anywhere. Anytime. Across all devices.

Complete.
$m ∠ F O B = \underline{?}$