Select the phrase/connector from the given three options which can be used to form a single sentence from the two sentences given below, implying the same as expressed in the statement sentence.
A triangle has three sides. A rectangle has four sides.
1) where
2) whereas
3) when
1
Only 1
2
Only 2
3
Only 3
4
Both 1 and 2
5
Both 2 and 3