EFGH is a parallelogram with H^=65∘\hat{H}=65^\circH^=65∘. Calculate, with reasons, the sizes of x and y.
In which one of these quadrilaterals are the diagonals perpendicular (crossing at 90°)?
In which one of these quadrilaterals are the diagonals NOT equal in length?
The diagram shows quadrilateral EFGH with its equal sides, parallel sides and right angles marked. Name the quadrilateral.
In which one of these quadrilaterals are the diagonals NOT perpendicular?
KLMN is a parallelogram with N^=71∘\hat{N}=71^\circN^=71∘. Calculate, with reasons, the sizes of x and y.
EFGH is a parallelogram with F^=105∘\hat{F}=105^\circF^=105∘. Calculate, with reasons, the sizes of x and y.
In a certain quadrilateral, exactly one pair of opposite sides is parallel and the diagonals are not equal in length. Name the quadrilateral.
KLMN is a quadrilateral with K^=120∘\hat{K}=120^\circK^=120∘, L^=106∘\hat{L}=106^\circL^=106∘ and M^=59∘\hat{M}=59^\circM^=59∘. Calculate, with a reason, the size of x.
The diagram shows quadrilateral ABCD with its equal sides, parallel sides and right angles marked. Name the quadrilateral.
I am a quadrilateral in which the diagonals are equal in length and all four sides are equal. Which quadrilateral am I?
The diagram shows quadrilateral PQRS with its equal sides, parallel sides and right angles marked. Name the quadrilateral.
