Question

a cyclic quadrilateral is shown. x:y=3:7. work out the size of angle z

Answer 1

Answer:

116 degrees

Step-by-step explanation:

Answer 2

Step-by-step explanation:

x:y=3:7

x+y=180

3+7=10

180/10=18

to find x

18*3=54

x+10+z=180

54+10+z=180

64+z=180

z=180-64

z=116°