135k views
0 votes
If arc AB= 70, how many degrees are in arc AD

If arc AB= 70, how many degrees are in arc AD-example-1

2 Answers

3 votes

Answer:

the correct answer is C

Explanation:

User Bluebinary
by
7.5k points
6 votes

notice, the chord BD is really a diametrical chord, namely a diameter, so it cuts the circle into two equal halves, each with 180°.

so the arcBAD = 180°, and arcBAD = arcBA + arcAD, we know arcAB = 70, so arcAD must be the remaining from 180 - 70 = 110.

User Rockmandew
by
7.5k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories