gracefredericy gracefredericy
  • 26-05-2020
  • Mathematics
contestada

Name the major arc and find its measure.

ADB: 50°
AB: 50°
ADB: 310°
AB: 310°

Name the major arc and find its measure ADB 50 AB 50 ADB 310 AB 310 class=

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fadedfire07
fadedfire07 fadedfire07
  • 26-05-2020
The answer would be C. ADB:310 degrees.

A major arc includes 3 points. So that eliminates answer choices B and D.

Angle ACB is a central angle and intercepts the arc AB. The measure of the central angle and the arc it intersects have the same measure. Meaning that Arc AB equals to 50 degrees.

A circle is equal to 360 degrees. So subtract the measure of the minor arc to 360 to get the measure of the major arc.

360-50=310.

Making arc ADB equal 310 degrees
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