PLEASE HELP!! A circular sector has a central angle of π/8 radians and a radius of 4 m.

What is the area of the sector?

Use 3.14 for pi. Round your answer to the nearest tenth.

Please show work if possible so that I can understand how you did it!

Fiona races bmx around a circular dirt course. if the radius of the course is 70 meters, what is the total distance fiona covers in two laps of the race? a. about 30,772 meters b. about 15,386 meters c. about 879.2 meters d. about 439.6 meters e. about 219.8 meters23 points hurry

How do i do this activity, is appreciated

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?