alenardbms6987 alenardbms6987
  • 23-07-2017
  • Mathematics
contestada

Find the angular size of a circular object with a 3​-inch diameter viewed from a distance of 4 yards.

Respuesta :

irspow
irspow irspow
  • 23-07-2017
sin(α/2)=r/d

α/2=arcsin(r/d)

α=2arcsin(r/d) 

r=radius of object=1.5 in, d=distance=144 in. so:

α=2arcsin(1.5/144)

α=1°11' 37"
Answer Link

Otras preguntas

if 3 point A,B, and C are collinear and B is between A and C then?
What is the range of the function graphed below?
What is the slope ? Simplyify your answers and write it as a proper fraction , improper fraction or an interger
ali _aman played cricket. they are very fast players.
Simplify the following expression. (3m/4-2)+8 A. 8m/4 B. 9m/4 C. 3m+24/4 D. 3m+28/4
Find the point P that partitions the line segment AB given the ratio. A (3, 6) B(4, 3) with the ratio 2:1 (11 over 3,4) (4,11 over 3) (5, 8) (10, 12 over 5)
POLYNOMIALS1. Find a quadratic polynomial whose zeroes are 3 and -5​
Which of the following is not a possible effect of rising carbon dioxide levels on plants? a. increased photosynthesis b. increased plant mortality c. increased
6x(2)y +8xy(2) - 10x(2)y - 15xy + 9xy(2) simplify​
In which area did the Seminole and Choctaw peoples live in approximately 1500? the Southeast the Plains the Northeast the Great Basin