Tuesday

January 27, 2015

January 27, 2015

Posted by **ana** on Wednesday, March 31, 2010 at 5:50pm.

- math -
**Reiny**, Wednesday, March 31, 2010 at 5:55pmfor the long diagonal

LD^2 = 15^2 + 17^2 - 2(15)(17)cos140°

solve for LD

let me know what your equation is for the short diagonal.

**Answer this Question**

**Related Questions**

Trig - The diagonals of a parallelogram intersect at a 42◦ angle and have ...

geometry theorems - I have six questions which will be on a test two weeks from ...

trig - The lengths of 2 adjacent sides of a parallelogram are 42 cm and 36cm. an...

geometry - Given: QRST is a parallelogram. Prove: QRST is a square. Complete ...

geometry - The longer diagonal of a parallelogram measures 62 cm and makes an ...

Pre-calculus - Find the lengths of the diagonals of a parallelogram with ...

Geometry - Can some one please check these for me.Thanks Angle DEF is similar to...

Math please help - For the first question I really need all help I can get. ...

math - If the perimeter of a parallelogram is 140 m, the distance between a pair...

math - If the perimeter of a parallelogram is 140 m, the distance between a pair...