princesspayton9 princesspayton9

25-11-2016
Mathematics

Answered

If the diameter of a regulation size basketball is 9.4 inches, what is the surface area? Round to the nearest tenth.

A.59.1 in²

B.69.4 in²

C.88.4 in²

D.277.6 in²

Verified Answer :

Livingsta Livingsta

25-11-2016

Given,

Diameter of the basketball = 9.4 inches
∴ Radius of the basketball = diameter ÷ 2 = 9.4 ÷ 2 = 4.7 inches
π = 3.14159

Surface area of the basketball is the surface area of the sphere = 4 π r² = 4 × 3.141 x 4.7² = 277.59 = 277.6 inches²

Answer Link

apologiabiology apologiabiology

25-11-2016

SA=4pir^2
d/2=r
9.4/2=r=4.7

SA=43.1415924.7^2
SA=227.591

answer is D

Answer Link

Related Questions

Enter the expression 147Nα where α is the lowercase Greek letter alpha Express your answer as a chemical expression

Using your diaphragm when you speak allows you to have better a pitch b inflection c enunciation d projection

The bacterium Bacillus anthracis which causes anthrax has been developed as a biological warfare agent Which one of its following abilities could have led to th

Peer relationships are more important early on in a persons life than at the end Please select the best answer from the choices provided T F

When conducting a stakeholder analysis a group identifies the individuals or groups affected by a proposed action A citizen group wants to open a new youth cent

What is thoreaus first thought upon being imprisoned in civil disobedience

Complete the following calculations Round off the answers to the correct number of significant figures 16m 282m 005m

2 Write a letter of complaint Follow the rules for a business letter and use the fullblock style The complaint may be about anything you wish such as malfunctio

Johns gross income is 1000 per month Based on an assumption that 25 of his gross income will be withheld he can expect his disposable spendable income to be per

What were the differences between the Democrats and the Whigs

Web Analytics Made Easy - Statcounter