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Mars2501 [29]
3 years ago
15

Show that angle a is equal to 90 degree​

Mathematics
1 answer:
emmasim [6.3K]3 years ago
6 0
Angle a is a right angle and all right angles equal 90°
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(-12)/ [-7) + 5] - (-7) 4<br> Help me plz
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Step-by-step explanation:

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