2 years ago

Calculate the measure of arc AG if a=20 and b=10

Mathematics

1 answer:

kaheart [24]2 years ago

4 0

Answer:

90°

Step-by-step explanation:

∆GFD is an isosceles right triangle, so angle FDG is 45°. Segment DF bisects angle EDG, so that angle is 90°.

Arc AG is the other half of the semicircle AGE that includes 90° arc GE.

So, arc AG is 90°.

<em>Comment on the problem</em>

"a" and "b" are irrelevant to arc AG. They come into play for arc CE.

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