JHgabybark JHgabybark

03-04-2017
Mathematics

contestada

If a circle has circumference 10 pi cm, then an arc with measure 90 degree has length 5 pi cm true or false

Respuesta :

wolf1728 wolf1728

05-04-2017

If circumference = 10 * PI
then a 90 degree central angle will "sweep out" one fourth of the circumference or 10 PI / 4 = 2.5 PI
So it is false.

Answer Link

Otras preguntas

Is British Society today better than it was 400 years ago?

A gas in a balloon at constant pressure has a volume of 160 mL at -125*C. What is its volume at 29.0*C?

A bug is 12 cm from the center of a turntable that is rotating with a frequency of 45 rev/min . What minimum coefficient friction is required so that the bug st

what is a codon and where is it found

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. How much did he invest i

which behavior is an example of poor self esteem

ax - 6 = 7x - 26 {5}

Rio negro es una provincia de muchos huertos

Laura read 1/8 of a comic book in 2 days. She reads the same number of pages every day. What part of the book does she read in a week

The 1884 amendment added onto the Chinese Exclusion Act included what additional stipulation? The law would apply to ethnic Chinese regardless of which Asian c