Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions

A line of true length 500 m when measured by a 20 m tape is reported to be 502 m long. The correct length of the tape is

A. 19.92 m B. 20.08 m C. 20.80 m D. 21 m



This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
While measuring the length with 20m tape, we made 500 m / 20 m = 25 spans of measurements.  I mean we used the full lenght of tape 25 times to completely measure the true length.

Now let the actual or correct length of tape be X meters
25 * X = 502 meters          => X = 502/25 = 20.08 m

Answer is B

1 5 1
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts