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Aptitude · Q187

Geometry

Competitive Exams · Aptitude · question 187

Q187

ABCDE is a regular pentagon. Its sides are extended as shown in the figure. The value of ABC + 2 EGD + 3 BAJ6 = ?

ABCDE is a regular pentagon. Its sides are extended as shown in the figure. The value of
Geometry mcq question image
A.
45°
B.
30°
C.
75°
D.
66°
Answer

Answer: Option D

Solution

Answer: Option D
Solution:
Geometry mcq question image
∠ABC = 108° {Internal Angle of regular pentagon}
∠EGD = 108° - (∠E + ∠D)
= 108° - (72° + 72°)
= 36°
∠BAJ = 72°