The perimeter of a rhombus is 68 cm and one of its diagonals is 16 cm. Find its area?  Choose the correct choice from the following.
A) 260 cm2
B) 240 cm2
C) 280 cm2
D) 220 cm2
E) 250 cm2
4a = 68 =&gt; a = 17   172 – 82 = 152   1/2 * 16 * 30= 
<gadget id="calculator">1/2 * 16 * 30</gadget>
<output>240</output>
240   ANSWER:240 cm2
<result>B</result>
The perimeter of a rhombus is 68 cm and one of its diagonals is 16 cm. Find its area?