Mathematics 4024 · O Level · Similarity

Similarity — practice question

ANB, BLC and CMA are straight lines. $NM$ runs parallel to $BC$, and $LN$ runs parallel to $CA$.
(a)[3]

Show that triangle $ANM$ is similar to triangle $NBL$. Give a reason for every statement you write.

(b(i))[2]

$AN : NB = 2 : 3$. Determine $NM : BC$.

(b(ii))[1]

Determine $\text{area } ANM : \text{area } NBL$.

(b(iii))[2]

Determine $\text{area } ANM : \text{area } NMCL$.

Worked solution & mark scheme

This 8-mark question has a full step-by-step worked solution and mark scheme. One marking point: Two pairs of equal angles found

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