Posted by Mindy on Monday, October 4, 2010 at 9:24pm.
The side of a rhombus is 15 centimeters long, and the length of its longer diagonal is 24.6 centimeters. Find the area.

PreCalculus  Reiny, Monday, October 4, 2010 at 11:07pm
The diagonals in a rhombus rightbisect each other, giving you 4 identical rightangled triangles
look at one of them, the hypotenuse would be 15 and the other side is 12.3 , half the diagonal given.
Can you find the missing side using Pythagoras?
Find the area of one of the triangles , then multiply by 4

PreCalculus  Albert, Saturday, December 11, 2010 at 10:49pm
211.6 units squared
Answer This Question
Related Questions
 MAths algebra  Suppose that there is a rectengular box with a length of 8 ...
 calculus  use differentials to determine by approximately how many centimeters ...
 algebra  The perimeter of a triangle is 45 centimeters. Find the lengths of its...
 algebra 2  the perimeter of a triangle is 49 centimeters. find the lenghts of ...
 geometry  The longer diagonal of a rhombus is 2 times as long as the shorter ...
 Geometry  Complete the indirect proof. Given: Rectangle JKLM has an area of 36 ...
 Geometry  The length of each side of a rhombus is 16. The longer diagonal has ...
 pre algebra  find the area of a trapezoid with height 6 centimeters and bases 8...
 math  Each side of a rhombus is 5 inches long and the shorter diagonal is 4 ...
 algebra,  This isosceles triangle has two sides of equal length, a, that are ...
More Related Questions