Question

The four angles of a quadrilateral are in the ratio 1 : 2 : 4 : 5 . Find the measure of the smallest angle. If u ans this I will mark u brainliest and u get 20 pts

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

Let the numbers be x,2x,4x,5x

Measurment of a quadrilateral=360°

x+2x+4x+5x=360°

12x=360°

x=360/12

x=30

2x=2×30=60

4x=4×30=120

5x=5×30=150

hence the smallest angle is 30°

Hope it helps you..