Question

In a quadrilateral ABCD, angles A, B, C and D are in ratios of 1:2:3:4.
(a) Find the measure of all the angles of the quadrilateral.
(b) What type of quadrilateral is it: concave or convex?​

Answer 1

Answer:

let the measures be x,2x,3xand 4x

x+2x+3x+4x=360

10x=360

x=360/10

x=36

Answer 2

Step-by-step explanation:

this is the right answer. .

the measures are: 36, 72, 108, 144...

it is concave quadrilateral