Home
Class 11
PHYSICS
The radius of the circle is 3.12 m. Calc...

The radius of the circle is 3.12 m. Calculate the area of the circkle with regard to significant figures.

Text Solution

Verified by Experts

Given : Radius of the circle `(r ) = 3.12m`
Formula : Area of the circle `=pir^(2)`
`=3.14xx(3.12)^(2)`
`=30.566016=30.6m^(2)`
Area of the circle with required
To significant figure `=30.6m^(2)`.
Promotional Banner

Topper's Solved these Questions

  • NATURE OF PHYSICAL WORLD AND MEASUREMENT

    PREMIERS PUBLISHERS|Exercise TEXTBOOK QUESTIONS & ANSWERS (V. Conceptual Questions.)|10 Videos

  • NATURE OF PHYSICAL WORLD AND MEASUREMENT

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT QUESTIONS & ANSWERS (IV. Long Answer Questions.)|8 Videos

  • NATURE OF PHYSICAL WORLD AND MEASUREMENT

    PREMIERS PUBLISHERS|Exercise TEXTBOOK QUESTIONS & ANSWERS (III. Long Answer Questions.)|16 Videos

  • MOTION OF SYSTEM OF PARTICLES AND BODIES

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT QUESTIONS & ANSWER (NUMERICAL PROBLEMS)|60 Videos

  • OSCILLATIONS

    PREMIERS PUBLISHERS|Exercise OTHER IMPORTANT QUESTIONS & ANSWERS ( CONCEPTUAL QUESTIONS.)|24 Videos

Similar Questions

Explore conceptually related problems

The radius of a circle is stated as 2.12 cm. Its area should be written as