Using Unit Rates to Convert Measurements
Solve each problem. Show your work.
U
Susan has a 12-inch board for constructing a wooden chair. The directions say to
use a board that is 29 centimeters long. Is her board long enough to cut?
(1 inch = 2.54 centimeters)
What’s the answer

Letter a i would say

Answer: d. 39 cmin the diagram, the approximate length of the minor arc de is 39 centimetres.step-by-step explanation: the formula for the length of an arc in a circle is as displayed below.let the length of the minor arc de = xx = 2( pi )r × angle of sector / 360°from this, we will substitute the values given from the problem into the formula to obtain the length of the minor arc de.x = 2( pi )r × angle of sector / 360°r = radius = 25cmpi as an approximate value = 3.14angle of sector = 120°x = 2( 3.14 )( 25 ) × 120° / 360°x = 157 × 1 / 4x = 39.25x = 39 ( rounded to the nearest whole number as an approximate value )