liliumflower19
26.02.2021 •
Mathematics
HELP PLEASE! In circle C, measure of arc DE = 84 degrees. If point G is on the circle, find the measure of the inscribe angle DGE.
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Ответ:
9514 1404 393
42°
Step-by-step explanation:
The inscribed angle DGE is half the measure of intercepted arc DE.
∠DGE = 84°/2
∠DGE = 42°
We have assumed that point G is on the long arc DE. If it is on the short arc, the angle is the supplement of 42°, so is 138°.
Ответ:
4
Step-by-step explanation:
80% of 20 = 16
20-16= 4