Z= 90
It’s a circle theorem, drawing a triangle from a diameter of a circle creates a right angle
And then there’s always 180 degrees in a triangle, so
Y= 40
Answer:
the sum of the first 1000 positive integers is 500500
Step-by-step explanation:
<span>8-(-5)-4 (-7)
=8+5-4-7
=2</span>
Answer:
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Step-by-step explanation:
