Posted by mc on Tuesday, March 23, 2010 at 3:55pm.
so each side is 9 inches.
A property of a rhombus is that its diagonals right-bisect each other
Let the other diagonal be 2y inches, so we have
4 congruent right-angled triangles with sides 7 and y and hypotenuse of 9
y^2 + 7^2 = 9^2
y^2 = 32
y = √32 = 4√2
so the other diagonal is 8√2
Related Questions
math - Each side of a rhombus is 5 inches long and the shorter diagonal is 4 ...
geometry - The two diagonals of a rhombus are 16 inches and 12 inches long. What...
college math - the perimeter of some traffic sign must be 128 inches the length ...
Math - 1) Rectangle ABCD has a perimeter of 106 inches. If the width is 7 inches...
calculus 3 - A rectangular box has length 20 inches, width 14 inches, and a ...
Geometry help - A parallelogram has a 7-inch side and a 9-inch side, and the ...
Algebra - Perimeter of traffic sign is 140 inches. The length is 14 inches ...
7th grade math only 3 questions Ms.Sue please - 14. If a right triangle has one...
geometry - the perimeter of a triangle is 59 inches. the longest side is 11 ...
geometry - Two chords intersect a circle. The shorter chord is divided into ...
For Further Reading
