3 years ago

Question 1 options:

Mathematics

1 answer:

DiKsa [7]3 years ago

6 0

Answer:

A: 75°
B: 60°
C: 45°

Step-by-step explanation:

The sum of ratio units is 5+4+3 = 12. Comparing that to the sum of angles in a triangle, 180°, you see that each ratio unit must stand for 180/12 = 15 degrees.

Multiply the ratio of angles by 15° and you get the actual angles:

A : B : C = 75° : 60° : 45°

Angle A is 75°, Angle B is 60°, Angle C is 45°.

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