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I need help with this pls :)

I need help with this pls :)-example-1
User LoLance
by
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1 Answer

5 votes

Answer:

z = 12

Explanation:

The two marked inscribed angles intercept the same arc, so have the same measure.

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∠ADB = ∠ACB

7z -4 = 5z +20 . . . . . . substitute degree measures

2z = 24 . . . . . . . . add 4-5z

z = 12 . . . . . . . divide by 2

User Esme Povirk
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4.3k points