Question

1 right angle is
radians.​

Answer 1

Answer:

pi / 2

Step-by-step explanation:

The right angle is pi / 2 radians.

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Answer 2

Answer:

$90 \: degrees \: = \frac{\pi}{2} radians$

Explanation:

Radians are a unit measure for angles defined as the ratio between the lenght of an arc of circumference and the radius of the circumference itself.