daijawatson daijawatson

13-04-2017
Mathematics

contestada

What is the radius of a circle with a sector area of 7 sq. ft. and an arc whose measure is 70°?

Respuesta :

alkhalidisara alkhalidisara

13-04-2017

the radius is 6 feet.

Answer Link

apologiabiology apologiabiology

13-04-2017

360 degrees in circle
70/360 of full circle=7square feet
7/36 of full circle=7 squre feet
times both sides by 36/7
full circle=36 square feet

area=pir^2
36=pir^2
divide oth sides by pi (use 3.141592)
11.459=r^2
sqrt both sides
3.3851
about 3.4ft

Answer Link

Otras preguntas

Which of the following is a general function for a fibrous protein?A) transport B) protein management C) body defense D) catalysis E) structural framework

Please help!! • Which category of energy interested you the most? Choose from one of the following: fossil fuels, nuclear energy, biomass, hydropower, solar ene

I NEED HELP ASAP HOW DOES MILK STRENGTHEN YOUR BONES AND MUSCLES

Roseau believed that

Which of the following did the US produced more of during world war 2 than Germany, Japan, and Italy combined

I need help with 16 and 17

How do I do this problem?

Picture inside, need help please ^-^

(classifying organisms) When is the classification "Division" used?

At age 42, Obediah is realizing that he may not reach all the goals he set when he was a younger man. He probably will never be rich or famous, and his relation