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Zigmanuir [339]
3 years ago
10

Angle measure labeled a The arc mesure labeled c

Mathematics
2 answers:
inna [77]3 years ago
5 0

Step-by-step explanation:

angle measure a =48/2=24°

the arc measure =360°-48°=312°

<h3>stay safe healthy and happy.</h3>
Firdavs [7]3 years ago
5 0

Answer:

a = 24°

Step-by-step explanation:

Draw a radius from to the end of the chord.

The angle in the small sector is equal to the arc angle of 48°

The exterior angle is the supplement 180 - 48 = 132°

The isosceles triangle has two angles a of (180 - 132)/2 = 24°

This can be generalized to the angle between the chords is half of the arc angle when one chord is a diameter and the chords share a common endpoint.

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