Question

The area of the front face of the analog clock shown below is 153.86 square inches. The length of the minute hand is 0.2 inches less than the radius of the front face

Answer 1

What is the length of the arc, rounded to the nearest hundredth of an inch, the minute hand makes when it moves from the number 8 to the number 2 on the clock? (4 points)
3.56 inches
6.80 inches
10.68 inches
21.35 inches

Answer 2

@phi helppppp

Answer 3

@jim_thompson5910 help

Answer 4

The area of the front face of the analog clock shown below is 153.86 square inches
what is the radius of this clock face ?

Answer 5

what is the formula for the area of a circle ?

Answer 6

@phi A=pie (r)^2

Answer 7

yes, but it is pi (Greek letter) pie is something you eat.

A= \(\pi r^2\)

they tell you the area of the clock. Can you use this to find the radius of the clock ?

Answer 8

@phi is it 6.80

Answer 9

I did not work it out. If I did , I would find the radius of the clock using
153.86 = pi r^2 and solve for r
then I would subtract 0.2 because
The length of the minute hand is 0.2 inches less

then I would find the area of 1/2 of a circle using the minute hand as the radius
(1/2 the area because going from 2 to 8 is 1/2 of a circle)