Question

three angles of a quadrilateral are in the ratio 3 : 4 : 5 : 6. the smallest of these angles is​

Answer 1

Answer:

60°

Step-by-step explanation:

Let the angle be x.

$3x + 4x + 5x + 6x = 360 \\ 18x = 360 \\ x = 360 \div 18 \\ x = 20$

Smallest angle = 3x = 3 × 20 = 60°

Answer 2

Sorry I don't know how to solve this question... but the above answer is correct