Question

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2y - (3+ 4y) 5
3. The angles of a quadrilateral are in the ratio 3: 4:5:6. Find their measures.
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Answer 1

Step-by-step explanation:

Let the angles be 3x, 4x, 5x and 6x respectively.

We know that the sum of all the angles of a quadrilateral is 360 degree.

3x+4x+5x+6x=360

18x=360

x=360/18

=40 degree

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Answer 2

Answer:

let,x be the common multiple of given ratio,

angles will be, 3x,4x,5x &6x

3x+4x+5x+6x=360°...(property of quadrilateral)

18x=360°

x=360°/18

x=20°

substitue value of x,

3x=3×20=60°

4x=4×20=80°

5x=5×20=100°

6x=6×20=120°

Measures of angles of quadrilateral are 60°,80°,100°&120° respectively.

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