Which of these are always equal in length?
- the diagonals of a rhombus
- the diagonals of a parallelogram
- the opposite sides of a parallelogram
- the opposite sides of a trapezium
Show Worked Solution
`text{Consider each option:}`
`A:\ \text{rhombus diagonals are perpendicular but not always equal}`
`B:\ \text{parallelogram diagonals not always equal (see below)}`
`C:\ \text{always true (see above)}`
`D:\ \text{at least 1 pair of opposite sides of a trapezium are not equal}`
\(\Rightarrow C\)