Answer:
≈ 18.8 cm
Step-by-step explanation:
The arc length is calculated as
arc = circumference of circle × fraction of circle
The central angle is equal to the arc subtending it, that is 60°
arc = 2πr × 
= 2π × 18 × 
= 36π × 
= 6π ≈ 18.8 cm ( to 1 dec. place )
I'll show you how I do it,hope you'll like it.
5:7, 5+7=12
5/12×48 =20
7/12×48=28
answer=
5:7
= 20:28
hope it helps.....
Answer: 4/9 of the class are boys and 5/9 of the class are girls.
Step-by-step explanation:
- There are 9 nine students in total in the class since 4 + 5 = 9.
- Input the amount of boys and girls there are in the class in the numerator and have 9 as the denominator. 4/9 of the class are boys and 5/9 of the class are girls.
Answer:-6
Step-by-step explanation: