Saturday

December 20, 2014

December 20, 2014

Posted by **PLEASE HELP** on Tuesday, March 5, 2013 at 7:58pm.

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.

- Geometry -
**tchrwill**, Wednesday, March 6, 2013 at 11:30amThe area of a spherical triangle bounded by arcs of three great circles is defined by A = Pi(r^2)E/180 where r = the spherical radius and E = the spherical excess, defined by E = (A+B+C)-180, A, B and C being the three spherical angles of the sphere.

**Answer this Question**

**Related Questions**

Math-geometry - . If a spherical Triangle on Earth has an excess of 30 degrees, ...

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...

pre-algebra - When designing a pattern, Erica rotated a triangle 90 degrees ...

Geometry (Checking) - 2.) Which is true about both Pappus's Theorem and ...

math - Area of a Triangle. The area in square meters of a triangle is given by A...

geometry - Open that link please please help me with my assignments 1. in the ...

geometry - 14. Question says that there is a triangle with a base of x units and...

algebra/math - I have this figure of a square QRST with an equilateral triangle ...

Geometry - Find the area of each equilateral triangle. The triangle has 12cm ...