Not all parallelograms have four sides equal.
I agree with you on A and D.
Select the geometric figure that possesses all of the characteristics:
(1) four equal sides
(2) both pairs of opposite sides are parallel
(3) it doesn't contain any right angle
A) square
B) parallelogram
C) rhombus
D) isosceles triangle
I know it's not A or D
5 answers
Check this site.
http://www.mathsisfun.com/quadrilaterals.html
http://www.mathsisfun.com/quadrilaterals.html
So it's rhombus
Right.
Yep. It's a rhombus. A rhombus is a special parallelogram.