Question

Exercise 1. The police inspector said to the driver, "Park your car on the side 2. His father said to him, "Make good use of your time." 3. The editor said to the reporter, "Rewrite this report in simple 4. My mother said to me, "Do not lose courage in any situation." 5. The doctor said to her, "Keep this bottle away from the childre 6. You said to him, "Don't worry about me." 7. The angry master said to him, "Get out of this house immedia 8. The captain said to the soldiers, "Face the enemy bravely." 9. The teacher said to the students, "Read the questions very ca start writing the answers." 10. Mrs Aiyer said to her daughter, "Never buy any eatables from For the Teacher​

Answer 1

Explanation:

Let external point be B. OA be radius of circle.

Given:

OB=12.5 cm

AB=12 cm

In right triangle, AOB, by Pythagoras Theorem,

OB

2

=AB

2

+OA

2

AO

2

=OB

2

−OA

2

=12.5

2

−12

2

=12.25

∴AO=3.5 cm

Diameter=2(AO)=2(3.5)=7 cm