Question

Need help with last one SOS

Answer 1

To find x, substract 72 and 78 from 180 since all triangles are 180°

180 - 72 - 80 = 30

So x = 30

To find y, x and y equal 180 so subtract 30 from 180

180 - 30 = 150

y = 150

x = 30, y = 150