Question

7.
In a quadrilateral ABCD, angles A, B,
(a) Find the measure of all the angle
(b) What type of quadrilateral is it: concave o
ABCD, angles A, B, C and D are in ratios of 1:2:3:4.
measure of all the angles of the quadrilateral.
uadrilateral is it: concave or convex?​

Answer 1

Step-by-step explanation:

let the angles be x, 2x ,3x,4x

×+2x+3x +4x =180

10x=180

x=18

2x=2×18=36

3x=3×18=54

4x=4×18=76

hope it helps u

but i dont know it is concave or convex

sorry