30-04-2017
Mathematics

contestada

what happens to the area if the radius of circle is halved

Respuesta :

charlottekrist charlottekrist

30-04-2017

If r is halved: r/2.
A = pi (r/2)(r/2)
A = pr (rr/4)

So te area is 1/4 of the original area.

Have a nice day :D

Answer Link

Alejandroasdfg Alejandroasdfg

30-04-2017

it gets 1/4 of the original

Answer Link

Otras preguntas

What happens to the sodium and potassium ions when the neurons are stimulated? How does their concentration inside and outside the cell change?

In this problem we use the change of variables x=5s+tx=5s+t, y=s−ty=s−t to compute the integral ∫r(x+y)da∫r(x+y)da, where rr is the parallelogram with vertices

Point C is the center of the circle. What is the measure of angle ACB if arc ADB measures 250 degrees?

PLS HELP When water and nutrients from the soil travel up from the roots of a plant through the stem to the leaves, they do so in which of the following structu

Which is a chemical change? A. water boiling B. wood burning C. glass breaking D. ice melting E. molding iron

Your environment consists of all the living and non-living things that surround and support you. a. True b. False

Kevin's dream is to work with children as a physical therapist. by finding a summer internship at a camp for children with physical disabilities, kevin is testi

an exAn example of natural selection is the tail of a male peacock. The females of the species choose mates based on the colors of the males’ tail feathers. If

An object that you can move across the computer screen, which can select and open an object is _____. First letter is C but i dont know the ans. Help pls

What are spiracles? what are spiracles? openings into the tracheae of insects openings to the parabronchi openings into the alveoli of the lungs openings to the