Muhawalabdulbasviz
Answered

a rhombus has a 60 degrees angles and sides 7cm long. find area.

Sagot :

Raela18viz
Let's use this formula:
A= s² x sinα
where: s represents the side
          α represents the angle
Substituting:
A= 7² x sin60
  = 49 x sin60 - set your calculator to radian mode when calculating sin60
A= -14.936 cm² :)