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3 years ago

The measure of ∠1 = 60 120 240

Mathematics

2 answers:

Illusion [34]3 years ago

3 0

The measurement of ∠1 is half of the central angle's length 120

120/2 = 60

60° is your answer

Reason: This is because an inscribed angle is half of the arc length.
A central angle is the same measurement as the arc length.

hope this helps

Varvara68 [4.7K]3 years ago

3 0

Answer: 60

Step-by-step explanation: Since we already got 120 all we got to do is divide by 2. = 60

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Read 2 more answers

1. A chord is 22 cm long. It is 60 cm from the center of the circle.

mezya [45]

Answer:

Radius, r = 61 cm

Step-by-step explanation:

According to the attached figure, we have,

Length of chord, AB = 22 cm

Such that, AP = PB = 11 cm

OP = 60 cm

It is required to find the radius of the circle. We know that radius of a circle is perpendicular to chord. So, APO forms a right angled triangle. Using Pythagoras theorem to find the radius of circle. Let it is r. So,

$r^2=60^2+11^2\\\\r=61\ cm$

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3 years ago