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

Why should you think before you speak in group discussions? you might have to ask a question you might offend someone you might participate you might communicat

What is the relevance of osmosis to cellular homeostasis?

Island A is 160 miles from island B. A ship captain travels 220 miles from island A and then finds that he is off course and 200 miles from island B. What beari

6) Let A = ℤ and R be the relation on A where a R b if and only if a + b is a multiple of 4. Determine whether R is reflexive, irreflexive, symmetric, asymmetri

Which is not a simple harmonic motion (S.H.M.)

The burning of which of the following energy sources is most linked to global warming?A. biomassB. hydropowerc.coalD.nuclear

Using the critical value rule, if a two-sided null hypothesis is rejected for a single mean at a given significance level, the corresponding one-sided null hypo

If cosine theta equals one over six, what are the values of sin θ and tan θ?

A string of length L= 1.2 m and mass m = 20g is under 400 N of tension, its two ends are fixed.

(Question 23) True or False. Withdrawing from virtual technology abuse and not telling anyone or resolve the issue is called Mediation.