\({a}\), \({b}\) and \({c}\) represent lengths.
Which of the following expressions could be a length?
4\({c}\)
\[{a}~\times~{b}\]
\[{c}~+~{ab}\]
Which of the following expressions represents a length?
0.5\({a}\)2
7\({c}\)3 \(\div {(b \times a)}\)
5\({b}~\div\) 5\({c}\)
Which of the following expressions represents an area?
2\({c}\)
\[\pi{d}\]
6\({ac}\)
(\({a}\)2 \(\div {b}\)) \(\times {c}\)
3\({ab} +\) 2\({c}\)
\(\frac {4} {3}\) \(\pi {r}\)3
\({a}\), \({b}\), \({c}\) and \({h}\) all represent lengths.
Which of the following expressions represents a volume?
\({b}\)2 + \({a}\)
\[{a(b+c)}\]
\(\pi {r}\)2\({h}\)
\({a}\), \({b}\), \({c}\) and \({r}\) all represent lengths.
2\({a} \times {b}\)2 + 6\({c}\)3
4\({c}\) + \(\pi {r}\)2
\(\pi {r}\)2 \(\times~{c}\)2
Does the following expression represent a length, area or volume?
\({ab} - {c}\)2
Length
Area
Volume
\[{a}{(b^2 + c^2)}\]
\[\frac{3c^4}{4a^3}\]
\[\frac {a^2}{bc}\times\frac{c^2}{b}\]