Triangles Q9 — Class 10 Maths Solution | Quest4Learn

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Maths Triangles Medium

It is given that

△ A B C \sim △ D F E

,

∠ A = 3 0^{\circ}

,

∠ C = 5 0^{\circ}

,

A B = 5

cm,

A C = 8

cm and

D F = 7.5

cm. Then, the following is true:

(a) $D E = 12$ cm, $∠ F = 5 0^{\circ}$
(b) $D E = 12$ cm, $∠ F = 10 0^{\circ}$
(c) $E F = 12$ cm, $∠ D = 10 0^{\circ}$
(d) $E F = 12$ cm, $∠ D = 3 0^{\circ}$

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