4 years ago

Question

Mathematics

1 answer:

puteri [66]4 years ago

6 0

Answer:

Arc AB = 80°

Arc AD= 100°

Step-by-step explanation:

Arc AB

Since AC is the diameter, it would be 180°, and since arc BC is given (100°), arc AB would be 80°

Arc AD

Since BD is a diameter, it would also be 180°. Arc ED is given and previously you found arc AB. So subtract 50 and 80 from 180 and you'll get 50° for arc AE. Add that with arc ED and you'll get 100°

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