Arc length of the quarter circle is 1.57 units.
Solution:
Radius of the quarter circle = 1
Center angle (θ) = 90°
To find the arc length of the quarter circle:


Arc length = 1.57 units
Arc length of the quarter circle is 1.57 units.
Step-by-step explanation:
Hope it helpful to you ok good morning
this option is incorrect
A straight angle is one full revolution.
Step-by-step explanation:
Straight angle = 180°
Angle take 360° in one revolution
Answer:
z=-3
Step-by-step explanation:
42 = -7z+21
-7z=21
z=-3