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

The radius of a bicycle wheel is 12 in. What is the approximate circumference of the wheel?

How do u answer 3(x+2)=x-18

Why was nature so important to Anne Frank? (The Diary of Anne Frank) Please help!!!

what type of monkey starts with an h?

Simplify 2(5x-3)-(2x+4), 24x-12y+40÷4, (2x)(3y)+2(-xy)

The school concert raised $1360 from the sale of 400 tickets. If adult tickets cost $5 and student tickets $3, how many student tickets were sold?How many stude

Mary is making a pinata that has a ball-like shape. The pinata has a surface area of 40 feet. Use the formula for the surface area of a sphere: (S=4πr^2) to fin

The golfer hits the golf ball. The quadratic y=-8*x^2 +48*x gives the time x seconds when the golf ball is at height 0 feet. In total, how long is the golf ball

The school concert raised $1360 from the sale of 400 tickets. If adult tickets cost $5 and student tickets $3, how many student tickets were sold?How many stude

What is a federal scout