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Question
In the given figure the measure of ∠D and ∠F are respectively
Options
50°, 40°
20°, 30°
40°, 50°
30°, 20°
Solution
ΔABC and ΔDEF,
\[\frac{AB}{AC} = \frac{EF}{ED}\]
\[\angle A = \angle E = 130^o\]
ΔABC ∼
ΔEFD (SAS Similarity)
\[\angle D = \angle C = 20^o\]
Hence the correct answer is `b`
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