Geometry Practice Test 4

Question : 7 of 40

Marks: +1, -0

The angles of a triangle are in Arithmetic Progression. The ratio of the middle angle in degrees to the number of radians in the greatest angle is 60 : p. The angles in degrees are:

30°, 60°, 90°
35°, 55°, 90°
40°, 50°, 90°
40°, 55°, 85°

Validate

Solution:

The ratio of the middle angle in degree to the number of radians
60 ∴

π/2

60 : 90
Largest angle = 90°
Middle angle = 60°
Smallest angle = 180° - (90° + 60°)
= 180° - 150° = 30°

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