Question

In the given figure the measure of ∠D and ∠F are respectively

विकल्प

• 50°, 40°

• 20°, 30°

•  40°, 50°

• 30°, 20°

Answer 1

ΔABC and ΔDEF,

\[\frac{AB}{AC} = \frac{EF}{ED}\]
\[\angle A = \angle E = 130^o\]

ΔABC  ∼

 ΔEFD   (SAS Similarity)

\[\therefore \angle F = \angle B = 30^o\]
\[\angle D = \angle C = 20^o\]

 

Hence the correct answer is `b`