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Chapter 9: Q12. (page 331)

For each exercise draw 鈯�O with radius 12. Then draw radii OA炉 and to OB炉 form an angle with the measure named. Find the length of AB炉.

a. m鈭�AOB=90掳

Short Answer

Expert verified

AB=122.

Step by step solution

01

Step 1. Given information. 

02

Step 2. Concept used.

We use Pythagoras Theorem.

03

Step 3. Find value.

In the right triangle AOB, ABis the hypotenuse. Use Pythagoras Theorem to find length of AB炉.

AB=122+122AB=122

Therefore, this length of AB=122.

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