Question

the angle of a quadrilater:
al are in A,p• with d=10: find the angle:​

Answer 1

Answer:

Let the angles of the quadrilateral be a, a+d, a+2d and a+3d. So we have a+ (a+10) + (a+20) + (a+30) = 360 4a+60 = 360 4a = 300 a = 75 deg. So the four angles ...

Step-by-step explanation: