Answer:
10
Step-by-step explanation:
(x - 4) × 2 = 12
x - 4 = 12 ÷ 2
x - 4 = 6
x = 10
33.7777 this is the answer I got.
First you go the tenths place which is the number 9 stands. You look to the left of the number. Here is the tricky part if the number is under 5 for example 1 2 3 4. The number stays the same and everything behind that number is 0. If the number is 5 or higher the number goes up one and everything behind it is 0. So 3.987 rounded to the nearest tenth is 4.000
Answer:

Step-by-step explanation:
Arc length is the product of central angle(in radians) and radius.
i.e.
arc length=radius *central angle(in radians)
