Question

Find the value of z and y

Answer 1

Answer:

z = 50 .  y = 20

Step-by-step explanation:

y = 20 (due to vertically opposite angles)

20 + 5(20) + 10 + z = 180 (basically a straight line)

20 + 10 + 100 = 130

180 - 130 = 50

z = 50

Extra: If you need x,

90 + 20 = 110

180 - 110 = 70

x = 70

Answer 2

Answer: y=20, z=50

Step-by-step explanation: So first y is equal to 20 because of vertical angles.

and if we know y is 20 then we do the equation

20+z+5(20)+10=z+130

and since we know line segment DA is a straight angle it is 180 degrees.

180-130 will be 50 so you got 50 degrees for z

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