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pentagon [3]
3 years ago
10

Can someone help me on this one question pls

Mathematics
1 answer:
Helen [10]3 years ago
5 0

Answer:

y= 40° , z = 90°

Step-by-step explanation:

Angle z is a right angle and is therefore 90°

Angles in a triangle add up to 180°

So we can work out y by making an equation:

180 = 90 +50 + y

y= 180-50-90

y=40

Therefore y =40°

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