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Liula [17]
3 years ago
8

What is the value of a? Answer options: 27.5, 90, 45, 50

Mathematics
1 answer:
Vikentia [17]3 years ago
8 0

Answer:

90°

Step-by-step explanation:

Arc a subtends and angle of 45° to the circumference of the circle

We know that;

An angle subtended by an arc to the center of a circle is twice the angle subtended by the same chord to the center of the circle.

Therefore, if arc a subtends and angle of 45° to the circumference of the circle then;

a will be = 45 × 2

              =  90°

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