Posted by PLEASE HELP on Saturday, March 9, 2013 at 11:59pm.
. If a spherical Triangle on Earth has an excess of 30 degrees, find the area of this spherical triangle measured in square miles.
b. If a spherical triangle on the moon has an excess of 30 degrees, find the area of this spherical triangle in sqare miles.
c. Find the ratio of the above answers to a and b.

Mathgeometry  bobpursley, Sunday, March 10, 2013 at 12:06am
area=sphericalExcessinRadians*radius^2
a. area=PI/6*re^2
b. area=PI/6*rm^2
c. (re/rm)^2

Mathgeometry  PLEASE HELP, Sunday, March 10, 2013 at 12:10am
Confused? What does that mean?

Mathgeometry  bobpursley, Sunday, March 10, 2013 at 12:12am
I gave you the formula for area of a spherical triangle given the excess angle, and the radius of the object. re is the radius of Earth. rm is the radius of the moon.
Answer This Question
Related Questions
 Geometry  a. If a spherical Triangle on Earth has an excess of 30 degrees, find...
 Math  Find the area of a triangle on a spherical surface that has a radius of ...
 Spherical Trigonometery  I am trying to apply the formula cos c = cos a x cos b...
 geometry  Each base of an isosceles triangle measures 42 degrees, 30'. The base...
 Trig functions and such  1)Find the exact value of cot(315) A)1 B)square root ...
 geometry  triangle ABC is isosceles with AC = BC and <ACB = 106 degrees. ...
 Geometry8th gr  Can you please help me with this question? 1.) Given: triangle...
 Math  1. Find the value of Sin^1(1/2) a. 30 degrees b. 30 degrees c. 150 ...
 Math HELP  There is a triangle inside of a circle. I have to find area of the ...
 prealgebra  When designing a pattern, Erica rotated a triangle 90 degrees ...
More Related Questions