Saturday

August 23, 2014

August 23, 2014

Posted by **donovan** on Thursday, July 26, 2012 at 10:20pm.

- math -
**Henry**, Friday, July 27, 2012 at 9:11pmUse Law of Cosines to find one of the

sides:

a = 90 m.

b = 225 m.

c = 255 m.

CosB = (a^2+c^2-b^2)/2ac

CosB=(8100+65025-50625) / 45900=0.4902

B = 60.6 Deg.

Area = 0.5ac*sinB

Area = 0.5*90*255*sin60.6 = 10,000 m^2.

- math -
**Henry**, Friday, July 27, 2012 at 9:15pmCorrection: Used Law of cosines to find

one of the angles.

- math -
**donovan**, Friday, July 27, 2012 at 10:46pmthanx

**Related Questions**

Math - A children's play area is triangular. The sides of the play area measure ...

Math - Suppose you have 100ft of fence to make a play area for your dog. Does a ...

geometry - Paula built a play area for her dog in the shape of a regular ...

Math - Corinda has 400 feet of square fencing to make a play area. She wants the...

Math - A sidewalk borders a rectangular play area.the play area measures 20ft ...

Calculus - A rectangular play area is to be fenced off in a person's yard and is...

Math - 24 m of fencing are available to enclose a play area. what would the ...

Math - The first question is this: Helen designs a rectangle with an area of 225...

Algebra - 1. Juanita has 180 feet of fencing that she intends to use to build a ...

Algebra - 1. Juanita has 180 feet of fencing that she intends to use to build a ...