In Fig. 6.17, (i) and (ii), DE || BC. Find EC in (i) and AD in (ii). (i) Find EC, given AD=1.5 cm, DB=3 cm, A… — Quest4Learn

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Mathematics Triangles

In Fig. 6.17, (i) and (ii), DE || BC. Find EC in (i) and AD in (ii).

(i)Find $E C$ , given $A D = 1.5$ cm, $D B = 3$ cm, $A E = 1$ cm (Fig. 6.17 (i)).
(ii)Find $A D$ , given $D B = 7.2$ cm, $A E = 1.8$ cm, $E C = 5.4$ cm (Fig. 6.17 (ii)).

Fig. 6.17 (ii)

Fig. 6.17 (i)

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