Question

3. The angles of a quadrilateral are in the ratio 1:2:4:5.
Find all the angles of the quadrilateral.​

Answer 1

Answer:

30°, 60°, 120°, 150°

Step-by-step explanation:

x + 2x + 4x + 5x = 360°

12x = 360° ⇒ x = 30°

2×30° = 60°

4×30° = 120°

5×30° = 150°

30°, 60°, 120°, 150°

Answer 2

Answer:

x = 30 °

Step-by-step explanation:

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