1 Answer

Lloyd Keijzer · Answer 1 · 2021-11-10T11:59:04+0000

Answer:

12.4 cm

Explanation:

arc AB is calculated using

arc = circumference × fraction of circle

= 2πr ×
(90)/(360)

= 2π × 7.9 ×
(1)/(4)

=
$(7.9\pi )/(2)$ ≈ 12.4 cm ( to the nearest tenth )

Please log in or register to add a comment.