momo842
18.03.2021 •
Mathematics
If B = 2 -q - q2 and C = 2q - 8, find an expression that equals 2B - 2C in standard form.
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Ответ:
x=20°
Step-by-step explanation:
This is actually simpler than it seems. Try redrawing (or maybe just imagine) that the only inscribed angle is x with the two lines going to the 40°. If we let 40°=θ, then: x=θ/2
This is actually true for any situation with inscribed angles, so you could use this to find w, y, and z as well.
Anyways x=(40°)/2=20°, so x=20°