Examveda
Examveda

In the given figure, ∠ONY = 50° and ∠OMY = 15°. Then the value of the ∠MON is
Geometry mcq question image

A. 30°

B. 40°

C. 20°

D. 70°

Answer: Option D

Solution(By Examveda Team)

According to the figure.
OM = OY = ON
∴ In ΔOMY
∠OMY = ∠OYM = 15°
∴ ∠MOY = 180° - 15° - 15°
∠MOY = 150°
In ΔONY
∠ONY = ∠OYN = 50°
∴ ∠NOY = 180° - 50° - 50°
∠NOY = 80°
∴ ∠MON = 150° - 80°
∠MON = 70°

This Question Belongs to Arithmetic Ability >> Geometry

Join The Discussion

Related Questions on Geometry